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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\User; |
| 22 | |
| 23 | use IDBAccessObject; |
| 24 | use InvalidArgumentException; |
| 25 | use JobQueueGroup; |
| 26 | use ManualLogEntry; |
| 27 | use MediaWiki\Config\ServiceOptions; |
| 28 | use MediaWiki\Deferred\DeferredUpdates; |
| 29 | use MediaWiki\HookContainer\HookContainer; |
| 30 | use MediaWiki\HookContainer\HookRunner; |
| 31 | use MediaWiki\MainConfigNames; |
| 32 | use MediaWiki\Parser\Sanitizer; |
| 33 | use MediaWiki\Permissions\Authority; |
| 34 | use MediaWiki\Permissions\GroupPermissionsLookup; |
| 35 | use MediaWiki\User\TempUser\TempUserConfig; |
| 36 | use MediaWiki\WikiMap\WikiMap; |
| 37 | use Psr\Log\LoggerInterface; |
| 38 | use UserGroupExpiryJob; |
| 39 | use Wikimedia\Assert\Assert; |
| 40 | use Wikimedia\IPUtils; |
| 41 | use Wikimedia\Rdbms\IConnectionProvider; |
| 42 | use Wikimedia\Rdbms\ILBFactory; |
| 43 | use Wikimedia\Rdbms\IReadableDatabase; |
| 44 | use Wikimedia\Rdbms\OrExpressionGroup; |
| 45 | use Wikimedia\Rdbms\ReadOnlyMode; |
| 46 | use Wikimedia\Rdbms\SelectQueryBuilder; |
| 47 | |
| 48 | /** |
| 49 | * Manages user groups. |
| 50 | * @since 1.35 |
| 51 | */ |
| 52 | class UserGroupManager { |
| 53 | |
| 54 | /** |
| 55 | * @internal For use by ServiceWiring |
| 56 | */ |
| 57 | public const CONSTRUCTOR_OPTIONS = [ |
| 58 | MainConfigNames::AddGroups, |
| 59 | MainConfigNames::AutoConfirmAge, |
| 60 | MainConfigNames::AutoConfirmCount, |
| 61 | MainConfigNames::Autopromote, |
| 62 | MainConfigNames::AutopromoteOnce, |
| 63 | MainConfigNames::AutopromoteOnceLogInRC, |
| 64 | MainConfigNames::EmailAuthentication, |
| 65 | MainConfigNames::ImplicitGroups, |
| 66 | MainConfigNames::GroupInheritsPermissions, |
| 67 | MainConfigNames::GroupPermissions, |
| 68 | MainConfigNames::GroupsAddToSelf, |
| 69 | MainConfigNames::GroupsRemoveFromSelf, |
| 70 | MainConfigNames::RevokePermissions, |
| 71 | MainConfigNames::RemoveGroups, |
| 72 | MainConfigNames::PrivilegedGroups, |
| 73 | ]; |
| 74 | |
| 75 | /** |
| 76 | * Logical operators recognized in $wgAutopromote. |
| 77 | * |
| 78 | * @since 1.42 |
| 79 | */ |
| 80 | public const VALID_OPS = [ '&', '|', '^', '!' ]; |
| 81 | |
| 82 | private ServiceOptions $options; |
| 83 | private IConnectionProvider $dbProvider; |
| 84 | private HookContainer $hookContainer; |
| 85 | private HookRunner $hookRunner; |
| 86 | private ReadOnlyMode $readOnlyMode; |
| 87 | private UserEditTracker $userEditTracker; |
| 88 | private GroupPermissionsLookup $groupPermissionsLookup; |
| 89 | private JobQueueGroup $jobQueueGroup; |
| 90 | private LoggerInterface $logger; |
| 91 | private TempUserConfig $tempUserConfig; |
| 92 | |
| 93 | /** @var callable[] */ |
| 94 | private $clearCacheCallbacks; |
| 95 | |
| 96 | /** @var string|false */ |
| 97 | private $wikiId; |
| 98 | |
| 99 | /** string key for implicit groups cache */ |
| 100 | private const CACHE_IMPLICIT = 'implicit'; |
| 101 | |
| 102 | /** string key for effective groups cache */ |
| 103 | private const CACHE_EFFECTIVE = 'effective'; |
| 104 | |
| 105 | /** string key for group memberships cache */ |
| 106 | private const CACHE_MEMBERSHIP = 'membership'; |
| 107 | |
| 108 | /** string key for former groups cache */ |
| 109 | private const CACHE_FORMER = 'former'; |
| 110 | |
| 111 | /** string key for former groups cache */ |
| 112 | private const CACHE_PRIVILEGED = 'privileged'; |
| 113 | |
| 114 | /** |
| 115 | * @var array Service caches, an assoc. array keyed after the user-keys generated |
| 116 | * by the getCacheKey method and storing values in the following format: |
| 117 | * |
| 118 | * userKey => [ |
| 119 | * self::CACHE_IMPLICIT => implicit groups cache |
| 120 | * self::CACHE_EFFECTIVE => effective groups cache |
| 121 | * self::CACHE_MEMBERSHIP => [ ] // Array of UserGroupMembership objects |
| 122 | * self::CACHE_FORMER => former groups cache |
| 123 | * self::CACHE_PRIVILEGED => privileged groups cache |
| 124 | * ] |
| 125 | */ |
| 126 | private $userGroupCache = []; |
| 127 | |
| 128 | /** |
| 129 | * @var array An assoc. array that stores query flags used to retrieve user groups |
| 130 | * from the database and is stored in the following format: |
| 131 | * |
| 132 | * userKey => [ |
| 133 | * self::CACHE_IMPLICIT => implicit groups query flag |
| 134 | * self::CACHE_EFFECTIVE => effective groups query flag |
| 135 | * self::CACHE_MEMBERSHIP => membership groups query flag |
| 136 | * self::CACHE_FORMER => former groups query flag |
| 137 | * self::CACHE_PRIVILEGED => privileged groups query flag |
| 138 | * ] |
| 139 | */ |
| 140 | private $queryFlagsUsedForCaching = []; |
| 141 | |
| 142 | /** |
| 143 | * @param ServiceOptions $options |
| 144 | * @param ReadOnlyMode $readOnlyMode |
| 145 | * @param ILBFactory $lbFactory |
| 146 | * @param HookContainer $hookContainer |
| 147 | * @param UserEditTracker $userEditTracker |
| 148 | * @param GroupPermissionsLookup $groupPermissionsLookup |
| 149 | * @param JobQueueGroup $jobQueueGroup |
| 150 | * @param LoggerInterface $logger |
| 151 | * @param TempUserConfig $tempUserConfig |
| 152 | * @param callable[] $clearCacheCallbacks |
| 153 | * @param string|false $wikiId |
| 154 | */ |
| 155 | public function __construct( |
| 156 | ServiceOptions $options, |
| 157 | ReadOnlyMode $readOnlyMode, |
| 158 | ILBFactory $lbFactory, |
| 159 | HookContainer $hookContainer, |
| 160 | UserEditTracker $userEditTracker, |
| 161 | GroupPermissionsLookup $groupPermissionsLookup, |
| 162 | JobQueueGroup $jobQueueGroup, |
| 163 | LoggerInterface $logger, |
| 164 | TempUserConfig $tempUserConfig, |
| 165 | array $clearCacheCallbacks = [], |
| 166 | $wikiId = UserIdentity::LOCAL |
| 167 | ) { |
| 168 | $options->assertRequiredOptions( self::CONSTRUCTOR_OPTIONS ); |
| 169 | $this->options = $options; |
| 170 | $this->dbProvider = $lbFactory; |
| 171 | $this->hookContainer = $hookContainer; |
| 172 | $this->hookRunner = new HookRunner( $hookContainer ); |
| 173 | $this->userEditTracker = $userEditTracker; |
| 174 | $this->groupPermissionsLookup = $groupPermissionsLookup; |
| 175 | $this->jobQueueGroup = $jobQueueGroup; |
| 176 | $this->logger = $logger; |
| 177 | $this->tempUserConfig = $tempUserConfig; |
| 178 | $this->readOnlyMode = $readOnlyMode; |
| 179 | $this->clearCacheCallbacks = $clearCacheCallbacks; |
| 180 | $this->wikiId = $wikiId; |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * Return the set of defined explicit groups. |
| 185 | * The implicit groups (by default *, 'user' and 'autoconfirmed') |
| 186 | * are not included, as they are defined automatically, not in the database. |
| 187 | * @return string[] internal group names |
| 188 | */ |
| 189 | public function listAllGroups(): array { |
| 190 | return array_values( array_unique( |
| 191 | array_diff( |
| 192 | array_merge( |
| 193 | array_keys( $this->options->get( MainConfigNames::GroupPermissions ) ), |
| 194 | array_keys( $this->options->get( MainConfigNames::RevokePermissions ) ), |
| 195 | array_keys( $this->options->get( MainConfigNames::GroupInheritsPermissions ) ) |
| 196 | ), |
| 197 | $this->listAllImplicitGroups() |
| 198 | ) |
| 199 | ) ); |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Get a list of all configured implicit groups |
| 204 | * @return string[] |
| 205 | */ |
| 206 | public function listAllImplicitGroups(): array { |
| 207 | return $this->options->get( MainConfigNames::ImplicitGroups ); |
| 208 | } |
| 209 | |
| 210 | /** |
| 211 | * Creates a new UserGroupMembership instance from $row. |
| 212 | * The fields required to build an instance could be |
| 213 | * found using getQueryInfo() method. |
| 214 | * |
| 215 | * @param \stdClass $row A database result object |
| 216 | * |
| 217 | * @return UserGroupMembership |
| 218 | */ |
| 219 | public function newGroupMembershipFromRow( \stdClass $row ): UserGroupMembership { |
| 220 | return new UserGroupMembership( |
| 221 | (int)$row->ug_user, |
| 222 | $row->ug_group, |
| 223 | $row->ug_expiry === null ? null : wfTimestamp( |
| 224 | TS_MW, |
| 225 | $row->ug_expiry |
| 226 | ) |
| 227 | ); |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Load the user groups cache from the provided user groups data |
| 232 | * @internal for use by the User object only |
| 233 | * @param UserIdentity $user |
| 234 | * @param array $userGroups an array of database query results |
| 235 | * @param int $queryFlags |
| 236 | */ |
| 237 | public function loadGroupMembershipsFromArray( |
| 238 | UserIdentity $user, |
| 239 | array $userGroups, |
| 240 | int $queryFlags = IDBAccessObject::READ_NORMAL |
| 241 | ) { |
| 242 | $user->assertWiki( $this->wikiId ); |
| 243 | $membershipGroups = []; |
| 244 | reset( $userGroups ); |
| 245 | foreach ( $userGroups as $row ) { |
| 246 | $ugm = $this->newGroupMembershipFromRow( $row ); |
| 247 | $membershipGroups[ $ugm->getGroup() ] = $ugm; |
| 248 | } |
| 249 | $this->setCache( |
| 250 | $this->getCacheKey( $user ), |
| 251 | self::CACHE_MEMBERSHIP, |
| 252 | $membershipGroups, |
| 253 | $queryFlags |
| 254 | ); |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * Get the list of implicit group memberships this user has. |
| 259 | * |
| 260 | * This includes 'user' if logged in, '*' for all accounts, |
| 261 | * and autopromoted groups |
| 262 | * |
| 263 | * @param UserIdentity $user |
| 264 | * @param int $queryFlags |
| 265 | * @param bool $recache Whether to avoid the cache |
| 266 | * @return string[] internal group names |
| 267 | */ |
| 268 | public function getUserImplicitGroups( |
| 269 | UserIdentity $user, |
| 270 | int $queryFlags = IDBAccessObject::READ_NORMAL, |
| 271 | bool $recache = false |
| 272 | ): array { |
| 273 | $user->assertWiki( $this->wikiId ); |
| 274 | $userKey = $this->getCacheKey( $user ); |
| 275 | if ( $recache || |
| 276 | !isset( $this->userGroupCache[$userKey][self::CACHE_IMPLICIT] ) || |
| 277 | !$this->canUseCachedValues( $user, self::CACHE_IMPLICIT, $queryFlags ) |
| 278 | ) { |
| 279 | $groups = [ '*' ]; |
| 280 | if ( $this->tempUserConfig->isTempName( $user->getName() ) ) { |
| 281 | $groups[] = 'temp'; |
| 282 | } elseif ( $user->isRegistered() ) { |
| 283 | $groups[] = 'user'; |
| 284 | if ( $this->tempUserConfig->isEnabled() ) { |
| 285 | $groups[] = 'named'; |
| 286 | } |
| 287 | $groups = array_unique( array_merge( |
| 288 | $groups, |
| 289 | $this->getUserAutopromoteGroups( $user ) |
| 290 | ) ); |
| 291 | } |
| 292 | $this->setCache( $userKey, self::CACHE_IMPLICIT, $groups, $queryFlags ); |
| 293 | if ( $recache ) { |
| 294 | // Assure data consistency with rights/groups, |
| 295 | // as getUserEffectiveGroups() depends on this function |
| 296 | $this->clearUserCacheForKind( $user, self::CACHE_EFFECTIVE ); |
| 297 | } |
| 298 | } |
| 299 | return $this->userGroupCache[$userKey][self::CACHE_IMPLICIT]; |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * Get the list of implicit group memberships the user has. |
| 304 | * |
| 305 | * This includes all explicit groups, plus 'user' if logged in, |
| 306 | * '*' for all accounts, and autopromoted groups |
| 307 | * |
| 308 | * @param UserIdentity $user |
| 309 | * @param int $queryFlags |
| 310 | * @param bool $recache Whether to avoid the cache |
| 311 | * @return string[] internal group names |
| 312 | */ |
| 313 | public function getUserEffectiveGroups( |
| 314 | UserIdentity $user, |
| 315 | int $queryFlags = IDBAccessObject::READ_NORMAL, |
| 316 | bool $recache = false |
| 317 | ): array { |
| 318 | $user->assertWiki( $this->wikiId ); |
| 319 | $userKey = $this->getCacheKey( $user ); |
| 320 | // Ignore cache if the $recache flag is set, cached values can not be used |
| 321 | // or the cache value is missing |
| 322 | if ( $recache || |
| 323 | !$this->canUseCachedValues( $user, self::CACHE_EFFECTIVE, $queryFlags ) || |
| 324 | !isset( $this->userGroupCache[$userKey][self::CACHE_EFFECTIVE] ) |
| 325 | ) { |
| 326 | $groups = array_unique( array_merge( |
| 327 | $this->getUserGroups( $user, $queryFlags ), // explicit groups |
| 328 | $this->getUserImplicitGroups( $user, $queryFlags, $recache ) // implicit groups |
| 329 | ) ); |
| 330 | // TODO: Deprecate passing out user object in the hook by introducing |
| 331 | // an alternative hook |
| 332 | if ( $this->hookContainer->isRegistered( 'UserEffectiveGroups' ) ) { |
| 333 | $userObj = User::newFromIdentity( $user ); |
| 334 | $userObj->load(); |
| 335 | // Hook for additional groups |
| 336 | $this->hookRunner->onUserEffectiveGroups( $userObj, $groups ); |
| 337 | } |
| 338 | // Force reindexation of groups when a hook has unset one of them |
| 339 | $effectiveGroups = array_values( array_unique( $groups ) ); |
| 340 | $this->setCache( $userKey, self::CACHE_EFFECTIVE, $effectiveGroups, $queryFlags ); |
| 341 | } |
| 342 | return $this->userGroupCache[$userKey][self::CACHE_EFFECTIVE]; |
| 343 | } |
| 344 | |
| 345 | /** |
| 346 | * Returns the groups the user has belonged to. |
| 347 | * |
| 348 | * The user may still belong to the returned groups. Compare with |
| 349 | * getUserGroups(). |
| 350 | * |
| 351 | * The function will not return groups the user had belonged to before MW 1.17 |
| 352 | * |
| 353 | * @param UserIdentity $user |
| 354 | * @param int $queryFlags |
| 355 | * @return string[] Names of the groups the user has belonged to. |
| 356 | */ |
| 357 | public function getUserFormerGroups( |
| 358 | UserIdentity $user, |
| 359 | int $queryFlags = IDBAccessObject::READ_NORMAL |
| 360 | ): array { |
| 361 | $user->assertWiki( $this->wikiId ); |
| 362 | $userKey = $this->getCacheKey( $user ); |
| 363 | |
| 364 | if ( $this->canUseCachedValues( $user, self::CACHE_FORMER, $queryFlags ) && |
| 365 | isset( $this->userGroupCache[$userKey][self::CACHE_FORMER] ) |
| 366 | ) { |
| 367 | return $this->userGroupCache[$userKey][self::CACHE_FORMER]; |
| 368 | } |
| 369 | |
| 370 | if ( !$user->isRegistered() ) { |
| 371 | // Anon users don't have groups stored in the database |
| 372 | return []; |
| 373 | } |
| 374 | |
| 375 | $res = $this->getDBConnectionRefForQueryFlags( $queryFlags )->newSelectQueryBuilder() |
| 376 | ->select( 'ufg_group' ) |
| 377 | ->from( 'user_former_groups' ) |
| 378 | ->where( [ 'ufg_user' => $user->getId( $this->wikiId ) ] ) |
| 379 | ->caller( __METHOD__ ) |
| 380 | ->fetchResultSet(); |
| 381 | $formerGroups = []; |
| 382 | foreach ( $res as $row ) { |
| 383 | $formerGroups[] = $row->ufg_group; |
| 384 | } |
| 385 | $this->setCache( $userKey, self::CACHE_FORMER, $formerGroups, $queryFlags ); |
| 386 | |
| 387 | return $this->userGroupCache[$userKey][self::CACHE_FORMER]; |
| 388 | } |
| 389 | |
| 390 | /** |
| 391 | * Get the groups for the given user based on $wgAutopromote. |
| 392 | * |
| 393 | * @param UserIdentity $user The user to get the groups for |
| 394 | * @return string[] Array of groups to promote to. |
| 395 | * |
| 396 | * @see $wgAutopromote |
| 397 | */ |
| 398 | public function getUserAutopromoteGroups( UserIdentity $user ): array { |
| 399 | $user->assertWiki( $this->wikiId ); |
| 400 | $promote = []; |
| 401 | // TODO: remove the need for the full user object |
| 402 | $userObj = User::newFromIdentity( $user ); |
| 403 | if ( $userObj->isTemp() ) { |
| 404 | return []; |
| 405 | } |
| 406 | foreach ( $this->options->get( MainConfigNames::Autopromote ) as $group => $cond ) { |
| 407 | if ( $this->recCheckCondition( $cond, $userObj ) ) { |
| 408 | $promote[] = $group; |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | $this->hookRunner->onGetAutoPromoteGroups( $userObj, $promote ); |
| 413 | return $promote; |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * Get the groups for the given user based on the given criteria. |
| 418 | * |
| 419 | * Does not return groups the user already belongs to or has once belonged. |
| 420 | * |
| 421 | * @param UserIdentity $user The user to get the groups for |
| 422 | * @param string $event Key in $wgAutopromoteOnce (each event has groups/criteria) |
| 423 | * |
| 424 | * @return string[] Groups the user should be promoted to. |
| 425 | * |
| 426 | * @see $wgAutopromoteOnce |
| 427 | */ |
| 428 | public function getUserAutopromoteOnceGroups( |
| 429 | UserIdentity $user, |
| 430 | string $event |
| 431 | ): array { |
| 432 | $user->assertWiki( $this->wikiId ); |
| 433 | $autopromoteOnce = $this->options->get( MainConfigNames::AutopromoteOnce ); |
| 434 | $promote = []; |
| 435 | |
| 436 | if ( isset( $autopromoteOnce[$event] ) && count( $autopromoteOnce[$event] ) ) { |
| 437 | // TODO: remove the need for the full user object |
| 438 | $userObj = User::newFromIdentity( $user ); |
| 439 | if ( $userObj->isTemp() ) { |
| 440 | return []; |
| 441 | } |
| 442 | $currentGroups = $this->getUserGroups( $user ); |
| 443 | $formerGroups = $this->getUserFormerGroups( $user ); |
| 444 | foreach ( $autopromoteOnce[$event] as $group => $cond ) { |
| 445 | // Do not check if the user's already a member |
| 446 | if ( in_array( $group, $currentGroups ) ) { |
| 447 | continue; |
| 448 | } |
| 449 | // Do not autopromote if the user has belonged to the group |
| 450 | if ( in_array( $group, $formerGroups ) ) { |
| 451 | continue; |
| 452 | } |
| 453 | // Finally - check the conditions |
| 454 | if ( $this->recCheckCondition( $cond, $userObj ) ) { |
| 455 | $promote[] = $group; |
| 456 | } |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | return $promote; |
| 461 | } |
| 462 | |
| 463 | /** |
| 464 | * Returns the list of privileged groups that $user belongs to. |
| 465 | * Privileged groups are ones that can be abused in a dangerous way. |
| 466 | * |
| 467 | * Depending on how extensions extend this method, it might return values |
| 468 | * that are not strictly user groups (ACL list names, etc.). |
| 469 | * It is meant for logging/auditing, not for passing to methods that expect group names. |
| 470 | * |
| 471 | * @param UserIdentity $user |
| 472 | * @param int $queryFlags |
| 473 | * @param bool $recache Whether to avoid the cache |
| 474 | * @return string[] |
| 475 | * @since 1.41 (also backported to 1.39.5 and 1.40.1) |
| 476 | * @see $wgPrivilegedGroups |
| 477 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/UserGetPrivilegedGroups |
| 478 | */ |
| 479 | public function getUserPrivilegedGroups( |
| 480 | UserIdentity $user, |
| 481 | int $queryFlags = IDBAccessObject::READ_NORMAL, |
| 482 | bool $recache = false |
| 483 | ): array { |
| 484 | $userKey = $this->getCacheKey( $user ); |
| 485 | |
| 486 | if ( !$recache && |
| 487 | $this->canUseCachedValues( $user, self::CACHE_PRIVILEGED, $queryFlags ) && |
| 488 | isset( $this->userGroupCache[$userKey][self::CACHE_PRIVILEGED] ) |
| 489 | ) { |
| 490 | return $this->userGroupCache[$userKey][self::CACHE_PRIVILEGED]; |
| 491 | } |
| 492 | |
| 493 | if ( !$user->isRegistered() ) { |
| 494 | return []; |
| 495 | } |
| 496 | |
| 497 | $groups = array_intersect( |
| 498 | $this->getUserEffectiveGroups( $user, $queryFlags, $recache ), |
| 499 | $this->options->get( 'PrivilegedGroups' ) |
| 500 | ); |
| 501 | |
| 502 | $this->hookRunner->onUserPrivilegedGroups( $user, $groups ); |
| 503 | |
| 504 | $this->setCache( |
| 505 | $this->getCacheKey( $user ), |
| 506 | self::CACHE_PRIVILEGED, |
| 507 | array_values( array_unique( $groups ) ), |
| 508 | $queryFlags |
| 509 | ); |
| 510 | |
| 511 | return $this->userGroupCache[$userKey][self::CACHE_PRIVILEGED]; |
| 512 | } |
| 513 | |
| 514 | /** |
| 515 | * Recursively check a condition. Conditions are in the form |
| 516 | * [ '&' or '|' or '^' or '!', cond1, cond2, ... ] |
| 517 | * where cond1, cond2, ... are themselves conditions; *OR* |
| 518 | * APCOND_EMAILCONFIRMED, *OR* |
| 519 | * [ APCOND_EMAILCONFIRMED ], *OR* |
| 520 | * [ APCOND_EDITCOUNT, number of edits ], *OR* |
| 521 | * [ APCOND_AGE, seconds since registration ], *OR* |
| 522 | * similar constructs defined by extensions. |
| 523 | * This function evaluates the former type recursively, and passes off to |
| 524 | * checkCondition for evaluation of the latter type. |
| 525 | * |
| 526 | * If you change the logic of this method, please update |
| 527 | * ApiQuerySiteinfo::appendAutoPromote(), as it depends on this method. |
| 528 | * |
| 529 | * @param mixed $cond A condition, possibly containing other conditions |
| 530 | * @param User $user The user to check the conditions against |
| 531 | * |
| 532 | * @return bool Whether the condition is true |
| 533 | */ |
| 534 | private function recCheckCondition( $cond, User $user ): bool { |
| 535 | if ( is_array( $cond ) && count( $cond ) >= 2 && in_array( $cond[0], self::VALID_OPS ) ) { |
| 536 | // Recursive condition |
| 537 | if ( $cond[0] == '&' ) { // AND (all conds pass) |
| 538 | foreach ( array_slice( $cond, 1 ) as $subcond ) { |
| 539 | if ( !$this->recCheckCondition( $subcond, $user ) ) { |
| 540 | return false; |
| 541 | } |
| 542 | } |
| 543 | |
| 544 | return true; |
| 545 | } elseif ( $cond[0] == '|' ) { // OR (at least one cond passes) |
| 546 | foreach ( array_slice( $cond, 1 ) as $subcond ) { |
| 547 | if ( $this->recCheckCondition( $subcond, $user ) ) { |
| 548 | return true; |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | return false; |
| 553 | } elseif ( $cond[0] == '^' ) { // XOR (exactly one cond passes) |
| 554 | if ( count( $cond ) > 3 ) { |
| 555 | $this->logger->warning( |
| 556 | 'recCheckCondition() given XOR ("^") condition on three or more conditions.' . |
| 557 | ' Check your $wgAutopromote and $wgAutopromoteOnce settings.' |
| 558 | ); |
| 559 | } |
| 560 | return $this->recCheckCondition( $cond[1], $user ) |
| 561 | xor $this->recCheckCondition( $cond[2], $user ); |
| 562 | } elseif ( $cond[0] == '!' ) { // NOT (no conds pass) |
| 563 | foreach ( array_slice( $cond, 1 ) as $subcond ) { |
| 564 | if ( $this->recCheckCondition( $subcond, $user ) ) { |
| 565 | return false; |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | return true; |
| 570 | } |
| 571 | } |
| 572 | // If we got here, the array presumably does not contain other conditions; |
| 573 | // it's not recursive. Pass it off to checkCondition. |
| 574 | if ( !is_array( $cond ) ) { |
| 575 | $cond = [ $cond ]; |
| 576 | } |
| 577 | |
| 578 | return $this->checkCondition( $cond, $user ); |
| 579 | } |
| 580 | |
| 581 | /** |
| 582 | * As recCheckCondition, but *not* recursive. The only valid conditions |
| 583 | * are those whose first element is one of APCOND_* defined in Defines.php. |
| 584 | * Other types will throw an exception if no extension evaluates them. |
| 585 | * |
| 586 | * @param array $cond A condition, which must not contain other conditions |
| 587 | * @param User $user The user to check the condition against |
| 588 | * @return bool Whether the condition is true for the user |
| 589 | * @throws InvalidArgumentException if autopromote condition was not recognized. |
| 590 | */ |
| 591 | private function checkCondition( array $cond, User $user ): bool { |
| 592 | if ( count( $cond ) < 1 ) { |
| 593 | return false; |
| 594 | } |
| 595 | |
| 596 | switch ( $cond[0] ) { |
| 597 | case APCOND_EMAILCONFIRMED: |
| 598 | if ( Sanitizer::validateEmail( $user->getEmail() ) ) { |
| 599 | if ( $this->options->get( MainConfigNames::EmailAuthentication ) ) { |
| 600 | return (bool)$user->getEmailAuthenticationTimestamp(); |
| 601 | } else { |
| 602 | return true; |
| 603 | } |
| 604 | } |
| 605 | return false; |
| 606 | case APCOND_EDITCOUNT: |
| 607 | $reqEditCount = $cond[1] ?? $this->options->get( MainConfigNames::AutoConfirmCount ); |
| 608 | |
| 609 | // T157718: Avoid edit count lookup if specified edit count is 0 or invalid |
| 610 | if ( $reqEditCount <= 0 ) { |
| 611 | return true; |
| 612 | } |
| 613 | return (int)$this->userEditTracker->getUserEditCount( $user ) >= $reqEditCount; |
| 614 | case APCOND_AGE: |
| 615 | $reqAge = $cond[1] ?? $this->options->get( MainConfigNames::AutoConfirmAge ); |
| 616 | $age = time() - (int)wfTimestampOrNull( TS_UNIX, $user->getRegistration() ); |
| 617 | return $age >= $reqAge; |
| 618 | case APCOND_AGE_FROM_EDIT: |
| 619 | $age = time() - (int)wfTimestampOrNull( |
| 620 | TS_UNIX, $this->userEditTracker->getFirstEditTimestamp( $user ) ); |
| 621 | return $age >= $cond[1]; |
| 622 | case APCOND_INGROUPS: |
| 623 | $groups = array_slice( $cond, 1 ); |
| 624 | return count( array_intersect( $groups, $this->getUserGroups( $user ) ) ) == count( $groups ); |
| 625 | case APCOND_ISIP: |
| 626 | return $cond[1] == $user->getRequest()->getIP(); |
| 627 | case APCOND_IPINRANGE: |
| 628 | return IPUtils::isInRange( $user->getRequest()->getIP(), $cond[1] ); |
| 629 | case APCOND_BLOCKED: |
| 630 | // Because checking for ipblock-exempt leads back to here (thus infinite recursion), |
| 631 | // we stop checking for ipblock-exempt via here. We do this by setting the second |
| 632 | // param to true. |
| 633 | // See T270145. |
| 634 | $block = $user->getBlock( IDBAccessObject::READ_LATEST, true ); |
| 635 | return $block && $block->isSitewide(); |
| 636 | case APCOND_ISBOT: |
| 637 | return in_array( 'bot', $this->groupPermissionsLookup |
| 638 | ->getGroupPermissions( $this->getUserGroups( $user ) ) ); |
| 639 | default: |
| 640 | $result = null; |
| 641 | $this->hookRunner->onAutopromoteCondition( $cond[0], |
| 642 | // @phan-suppress-next-line PhanTypeMismatchArgument Type mismatch on pass-by-ref args |
| 643 | array_slice( $cond, 1 ), $user, $result ); |
| 644 | if ( $result === null ) { |
| 645 | throw new InvalidArgumentException( |
| 646 | "Unrecognized condition {$cond[0]} for autopromotion!" |
| 647 | ); |
| 648 | } |
| 649 | |
| 650 | return (bool)$result; |
| 651 | } |
| 652 | } |
| 653 | |
| 654 | /** |
| 655 | * Add the user to the group if he/she meets given criteria. |
| 656 | * |
| 657 | * Contrary to autopromotion by $wgAutopromote, the group will be |
| 658 | * possible to remove manually via Special:UserRights. In such case it |
| 659 | * will not be re-added automatically. The user will also not lose the |
| 660 | * group if they no longer meet the criteria. |
| 661 | * |
| 662 | * @param UserIdentity $user User to add to the groups |
| 663 | * @param string $event Key in $wgAutopromoteOnce (each event has groups/criteria) |
| 664 | * |
| 665 | * @return string[] Array of groups the user has been promoted to. |
| 666 | * |
| 667 | * @see $wgAutopromoteOnce |
| 668 | */ |
| 669 | public function addUserToAutopromoteOnceGroups( |
| 670 | UserIdentity $user, |
| 671 | string $event |
| 672 | ): array { |
| 673 | $user->assertWiki( $this->wikiId ); |
| 674 | Assert::precondition( |
| 675 | !$this->wikiId || WikiMap::isCurrentWikiDbDomain( $this->wikiId ), |
| 676 | __METHOD__ . " is not supported for foreign wikis: {$this->wikiId} used" |
| 677 | ); |
| 678 | |
| 679 | if ( |
| 680 | $this->readOnlyMode->isReadOnly( $this->wikiId ) || |
| 681 | !$user->isRegistered() || |
| 682 | $this->tempUserConfig->isTempName( $user->getName() ) |
| 683 | ) { |
| 684 | return []; |
| 685 | } |
| 686 | |
| 687 | $toPromote = $this->getUserAutopromoteOnceGroups( $user, $event ); |
| 688 | if ( $toPromote === [] ) { |
| 689 | return []; |
| 690 | } |
| 691 | |
| 692 | $userObj = User::newFromIdentity( $user ); |
| 693 | if ( !$userObj->checkAndSetTouched() ) { |
| 694 | return []; // raced out (bug T48834) |
| 695 | } |
| 696 | |
| 697 | $oldGroups = $this->getUserGroups( $user ); // previous groups |
| 698 | $oldUGMs = $this->getUserGroupMemberships( $user ); |
| 699 | $this->addUserToMultipleGroups( $user, $toPromote ); |
| 700 | $newGroups = array_merge( $oldGroups, $toPromote ); // all groups |
| 701 | $newUGMs = $this->getUserGroupMemberships( $user ); |
| 702 | |
| 703 | // update groups in external authentication database |
| 704 | // TODO: deprecate passing full User object to hook |
| 705 | $this->hookRunner->onUserGroupsChanged( |
| 706 | $userObj, |
| 707 | $toPromote, [], |
| 708 | false, |
| 709 | false, |
| 710 | $oldUGMs, |
| 711 | $newUGMs |
| 712 | ); |
| 713 | |
| 714 | $logEntry = new ManualLogEntry( 'rights', 'autopromote' ); |
| 715 | $logEntry->setPerformer( $user ); |
| 716 | $logEntry->setTarget( $userObj->getUserPage() ); |
| 717 | $logEntry->setParameters( [ |
| 718 | '4::oldgroups' => $oldGroups, |
| 719 | '5::newgroups' => $newGroups, |
| 720 | ] ); |
| 721 | $logid = $logEntry->insert(); |
| 722 | if ( $this->options->get( MainConfigNames::AutopromoteOnceLogInRC ) ) { |
| 723 | $logEntry->publish( $logid ); |
| 724 | } |
| 725 | |
| 726 | return $toPromote; |
| 727 | } |
| 728 | |
| 729 | /** |
| 730 | * Get the list of explicit group memberships this user has. |
| 731 | * The implicit * and user groups are not included. |
| 732 | * |
| 733 | * @param UserIdentity $user |
| 734 | * @param int $queryFlags |
| 735 | * @return string[] |
| 736 | */ |
| 737 | public function getUserGroups( |
| 738 | UserIdentity $user, |
| 739 | int $queryFlags = IDBAccessObject::READ_NORMAL |
| 740 | ): array { |
| 741 | return array_keys( $this->getUserGroupMemberships( $user, $queryFlags ) ); |
| 742 | } |
| 743 | |
| 744 | /** |
| 745 | * Loads and returns UserGroupMembership objects for all the groups a user currently |
| 746 | * belongs to. |
| 747 | * |
| 748 | * @param UserIdentity $user the user to search for |
| 749 | * @param int $queryFlags |
| 750 | * @return UserGroupMembership[] Associative array of (group name => UserGroupMembership object) |
| 751 | */ |
| 752 | public function getUserGroupMemberships( |
| 753 | UserIdentity $user, |
| 754 | int $queryFlags = IDBAccessObject::READ_NORMAL |
| 755 | ): array { |
| 756 | $user->assertWiki( $this->wikiId ); |
| 757 | $userKey = $this->getCacheKey( $user ); |
| 758 | |
| 759 | if ( $this->canUseCachedValues( $user, self::CACHE_MEMBERSHIP, $queryFlags ) && |
| 760 | isset( $this->userGroupCache[$userKey][self::CACHE_MEMBERSHIP] ) |
| 761 | ) { |
| 762 | /** @suppress PhanTypeMismatchReturn */ |
| 763 | return $this->userGroupCache[$userKey][self::CACHE_MEMBERSHIP]; |
| 764 | } |
| 765 | |
| 766 | if ( !$user->isRegistered() ) { |
| 767 | // Anon users don't have groups stored in the database |
| 768 | return []; |
| 769 | } |
| 770 | |
| 771 | $queryBuilder = $this->newQueryBuilder( $this->getDBConnectionRefForQueryFlags( $queryFlags ) ); |
| 772 | $res = $queryBuilder |
| 773 | ->where( [ 'ug_user' => $user->getId( $this->wikiId ) ] ) |
| 774 | ->caller( __METHOD__ ) |
| 775 | ->fetchResultSet(); |
| 776 | |
| 777 | $ugms = []; |
| 778 | foreach ( $res as $row ) { |
| 779 | $ugm = $this->newGroupMembershipFromRow( $row ); |
| 780 | if ( !$ugm->isExpired() ) { |
| 781 | $ugms[$ugm->getGroup()] = $ugm; |
| 782 | } |
| 783 | } |
| 784 | ksort( $ugms ); |
| 785 | |
| 786 | $this->setCache( $userKey, self::CACHE_MEMBERSHIP, $ugms, $queryFlags ); |
| 787 | |
| 788 | return $ugms; |
| 789 | } |
| 790 | |
| 791 | /** |
| 792 | * Add the user to the given group. This takes immediate effect. |
| 793 | * If the user is already in the group, the expiry time will be updated to the new |
| 794 | * expiry time. (If $expiry is omitted or null, the membership will be altered to |
| 795 | * never expire.) |
| 796 | * |
| 797 | * @param UserIdentity $user |
| 798 | * @param string $group Name of the group to add |
| 799 | * @param string|null $expiry Optional expiry timestamp in any format acceptable to |
| 800 | * wfTimestamp(), or null if the group assignment should not expire |
| 801 | * @param bool $allowUpdate Whether to perform "upsert" instead of INSERT |
| 802 | * |
| 803 | * @throws InvalidArgumentException |
| 804 | * @return bool |
| 805 | */ |
| 806 | public function addUserToGroup( |
| 807 | UserIdentity $user, |
| 808 | string $group, |
| 809 | string $expiry = null, |
| 810 | bool $allowUpdate = false |
| 811 | ): bool { |
| 812 | $user->assertWiki( $this->wikiId ); |
| 813 | if ( $this->readOnlyMode->isReadOnly( $this->wikiId ) ) { |
| 814 | return false; |
| 815 | } |
| 816 | |
| 817 | $isTemp = $this->tempUserConfig->isTempName( $user->getName() ); |
| 818 | if ( !$user->isRegistered() ) { |
| 819 | throw new InvalidArgumentException( |
| 820 | 'UserGroupManager::addUserToGroup() needs a positive user ID. ' . |
| 821 | 'Perhaps addUserToGroup() was called before the user was added to the database.' |
| 822 | ); |
| 823 | } |
| 824 | if ( $isTemp ) { |
| 825 | throw new InvalidArgumentException( |
| 826 | 'UserGroupManager::addUserToGroup() cannot be called on a temporary user.' |
| 827 | ); |
| 828 | } |
| 829 | |
| 830 | if ( $expiry ) { |
| 831 | $expiry = wfTimestamp( TS_MW, $expiry ); |
| 832 | } |
| 833 | |
| 834 | // TODO: Deprecate passing out user object in the hook by introducing |
| 835 | // an alternative hook |
| 836 | if ( $this->hookContainer->isRegistered( 'UserAddGroup' ) ) { |
| 837 | $userObj = User::newFromIdentity( $user ); |
| 838 | $userObj->load(); |
| 839 | if ( !$this->hookRunner->onUserAddGroup( $userObj, $group, $expiry ) ) { |
| 840 | return false; |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | $oldUgms = $this->getUserGroupMemberships( $user, IDBAccessObject::READ_LATEST ); |
| 845 | $dbw = $this->dbProvider->getPrimaryDatabase( $this->wikiId ); |
| 846 | |
| 847 | $dbw->startAtomic( __METHOD__ ); |
| 848 | $dbw->newInsertQueryBuilder() |
| 849 | ->insertInto( 'user_groups' ) |
| 850 | ->ignore() |
| 851 | ->row( [ |
| 852 | 'ug_user' => $user->getId( $this->wikiId ), |
| 853 | 'ug_group' => $group, |
| 854 | 'ug_expiry' => $expiry ? $dbw->timestamp( $expiry ) : null, |
| 855 | ] ) |
| 856 | ->caller( __METHOD__ )->execute(); |
| 857 | |
| 858 | $affected = $dbw->affectedRows(); |
| 859 | if ( !$affected ) { |
| 860 | // Conflicting row already exists; it should be overridden if it is either expired |
| 861 | // or if $allowUpdate is true and the current row is different than the loaded row. |
| 862 | $conds = [ |
| 863 | 'ug_user' => $user->getId( $this->wikiId ), |
| 864 | 'ug_group' => $group |
| 865 | ]; |
| 866 | if ( $allowUpdate ) { |
| 867 | // Update the current row if its expiry does not match that of the loaded row |
| 868 | $conds[] = $expiry |
| 869 | ? $dbw->expr( 'ug_expiry', '=', null ) |
| 870 | ->or( 'ug_expiry', '!=', $dbw->timestamp( $expiry ) ) |
| 871 | : $dbw->expr( 'ug_expiry', '!=', null ); |
| 872 | } else { |
| 873 | // Update the current row if it is expired |
| 874 | $conds[] = $dbw->expr( 'ug_expiry', '<', $dbw->timestamp() ); |
| 875 | } |
| 876 | $dbw->newUpdateQueryBuilder() |
| 877 | ->update( 'user_groups' ) |
| 878 | ->set( [ 'ug_expiry' => $expiry ? $dbw->timestamp( $expiry ) : null ] ) |
| 879 | ->where( $conds ) |
| 880 | ->caller( __METHOD__ )->execute(); |
| 881 | $affected = $dbw->affectedRows(); |
| 882 | } |
| 883 | $dbw->endAtomic( __METHOD__ ); |
| 884 | |
| 885 | // Purge old, expired memberships from the DB |
| 886 | $fname = __METHOD__; |
| 887 | DeferredUpdates::addCallableUpdate( function () use ( $fname ) { |
| 888 | $dbr = $this->dbProvider->getReplicaDatabase( $this->wikiId ); |
| 889 | $hasExpiredRow = (bool)$dbr->newSelectQueryBuilder() |
| 890 | ->select( '1' ) |
| 891 | ->from( 'user_groups' ) |
| 892 | ->where( [ $dbr->expr( 'ug_expiry', '<', $dbr->timestamp() ) ] ) |
| 893 | ->caller( $fname )->fetchField(); |
| 894 | if ( $hasExpiredRow ) { |
| 895 | $this->jobQueueGroup->push( new UserGroupExpiryJob( [] ) ); |
| 896 | } |
| 897 | } ); |
| 898 | |
| 899 | if ( $affected > 0 ) { |
| 900 | $oldUgms[$group] = new UserGroupMembership( $user->getId( $this->wikiId ), $group, $expiry ); |
| 901 | if ( !$oldUgms[$group]->isExpired() ) { |
| 902 | $this->setCache( |
| 903 | $this->getCacheKey( $user ), |
| 904 | self::CACHE_MEMBERSHIP, |
| 905 | $oldUgms, |
| 906 | IDBAccessObject::READ_LATEST |
| 907 | ); |
| 908 | $this->clearUserCacheForKind( $user, self::CACHE_EFFECTIVE ); |
| 909 | } |
| 910 | foreach ( $this->clearCacheCallbacks as $callback ) { |
| 911 | $callback( $user ); |
| 912 | } |
| 913 | return true; |
| 914 | } |
| 915 | return false; |
| 916 | } |
| 917 | |
| 918 | /** |
| 919 | * Add the user to the given list of groups. |
| 920 | * |
| 921 | * @since 1.37 |
| 922 | * |
| 923 | * @param UserIdentity $user |
| 924 | * @param string[] $groups Names of the groups to add |
| 925 | * @param string|null $expiry Optional expiry timestamp in any format acceptable to |
| 926 | * wfTimestamp(), or null if the group assignment should not expire |
| 927 | * @param bool $allowUpdate Whether to perform "upsert" instead of INSERT |
| 928 | * |
| 929 | * @throws InvalidArgumentException |
| 930 | */ |
| 931 | public function addUserToMultipleGroups( |
| 932 | UserIdentity $user, |
| 933 | array $groups, |
| 934 | string $expiry = null, |
| 935 | bool $allowUpdate = false |
| 936 | ) { |
| 937 | foreach ( $groups as $group ) { |
| 938 | $this->addUserToGroup( $user, $group, $expiry, $allowUpdate ); |
| 939 | } |
| 940 | } |
| 941 | |
| 942 | /** |
| 943 | * Remove the user from the given group. This takes immediate effect. |
| 944 | * |
| 945 | * @param UserIdentity $user |
| 946 | * @param string $group Name of the group to remove |
| 947 | * @throws InvalidArgumentException |
| 948 | * @return bool |
| 949 | */ |
| 950 | public function removeUserFromGroup( UserIdentity $user, string $group ): bool { |
| 951 | $user->assertWiki( $this->wikiId ); |
| 952 | // TODO: Deprecate passing out user object in the hook by introducing |
| 953 | // an alternative hook |
| 954 | if ( $this->hookContainer->isRegistered( 'UserRemoveGroup' ) ) { |
| 955 | $userObj = User::newFromIdentity( $user ); |
| 956 | $userObj->load(); |
| 957 | if ( !$this->hookRunner->onUserRemoveGroup( $userObj, $group ) ) { |
| 958 | return false; |
| 959 | } |
| 960 | } |
| 961 | |
| 962 | if ( $this->readOnlyMode->isReadOnly( $this->wikiId ) ) { |
| 963 | return false; |
| 964 | } |
| 965 | |
| 966 | if ( !$user->isRegistered() ) { |
| 967 | throw new InvalidArgumentException( |
| 968 | 'UserGroupManager::removeUserFromGroup() needs a positive user ID. ' . |
| 969 | 'Perhaps removeUserFromGroup() was called before the user was added to the database.' |
| 970 | ); |
| 971 | } |
| 972 | |
| 973 | $oldUgms = $this->getUserGroupMemberships( $user, IDBAccessObject::READ_LATEST ); |
| 974 | $oldFormerGroups = $this->getUserFormerGroups( $user, IDBAccessObject::READ_LATEST ); |
| 975 | $dbw = $this->dbProvider->getPrimaryDatabase( $this->wikiId ); |
| 976 | $dbw->newDeleteQueryBuilder() |
| 977 | ->deleteFrom( 'user_groups' ) |
| 978 | ->where( [ 'ug_user' => $user->getId( $this->wikiId ), 'ug_group' => $group ] ) |
| 979 | ->caller( __METHOD__ )->execute(); |
| 980 | |
| 981 | if ( !$dbw->affectedRows() ) { |
| 982 | return false; |
| 983 | } |
| 984 | // Remember that the user was in this group |
| 985 | $dbw->newInsertQueryBuilder() |
| 986 | ->insertInto( 'user_former_groups' ) |
| 987 | ->ignore() |
| 988 | ->row( [ 'ufg_user' => $user->getId( $this->wikiId ), 'ufg_group' => $group ] ) |
| 989 | ->caller( __METHOD__ )->execute(); |
| 990 | |
| 991 | unset( $oldUgms[$group] ); |
| 992 | $userKey = $this->getCacheKey( $user ); |
| 993 | $this->setCache( $userKey, self::CACHE_MEMBERSHIP, $oldUgms, IDBAccessObject::READ_LATEST ); |
| 994 | $oldFormerGroups[] = $group; |
| 995 | $this->setCache( $userKey, self::CACHE_FORMER, $oldFormerGroups, IDBAccessObject::READ_LATEST ); |
| 996 | $this->clearUserCacheForKind( $user, self::CACHE_EFFECTIVE ); |
| 997 | foreach ( $this->clearCacheCallbacks as $callback ) { |
| 998 | $callback( $user ); |
| 999 | } |
| 1000 | return true; |
| 1001 | } |
| 1002 | |
| 1003 | /** |
| 1004 | * Return the query builder to build upon and query |
| 1005 | * |
| 1006 | * @param IReadableDatabase $db |
| 1007 | * @return SelectQueryBuilder |
| 1008 | * @internal |
| 1009 | */ |
| 1010 | public function newQueryBuilder( IReadableDatabase $db ): SelectQueryBuilder { |
| 1011 | return $db->newSelectQueryBuilder() |
| 1012 | ->select( [ |
| 1013 | 'ug_user', |
| 1014 | 'ug_group', |
| 1015 | 'ug_expiry', |
| 1016 | ] ) |
| 1017 | ->from( 'user_groups' ); |
| 1018 | } |
| 1019 | |
| 1020 | /** |
| 1021 | * Purge expired memberships from the user_groups table |
| 1022 | * @internal |
| 1023 | * @note this could be slow and is intended for use in a background job |
| 1024 | * @return int|false false if purging wasn't attempted (e.g. because of |
| 1025 | * readonly), the number of rows purged (might be 0) otherwise |
| 1026 | */ |
| 1027 | public function purgeExpired() { |
| 1028 | if ( $this->readOnlyMode->isReadOnly( $this->wikiId ) ) { |
| 1029 | return false; |
| 1030 | } |
| 1031 | |
| 1032 | $ticket = $this->dbProvider->getEmptyTransactionTicket( __METHOD__ ); |
| 1033 | $dbw = $this->dbProvider->getPrimaryDatabase( $this->wikiId ); |
| 1034 | |
| 1035 | $lockKey = "{$dbw->getDomainID()}:UserGroupManager:purge"; // per-wiki |
| 1036 | $scopedLock = $dbw->getScopedLockAndFlush( $lockKey, __METHOD__, 0 ); |
| 1037 | if ( !$scopedLock ) { |
| 1038 | return false; // already running |
| 1039 | } |
| 1040 | |
| 1041 | $now = time(); |
| 1042 | $purgedRows = 0; |
| 1043 | do { |
| 1044 | $dbw->startAtomic( __METHOD__ ); |
| 1045 | $res = $this->newQueryBuilder( $dbw ) |
| 1046 | ->where( [ $dbw->expr( 'ug_expiry', '<', $dbw->timestamp( $now ) ) ] ) |
| 1047 | ->forUpdate() |
| 1048 | ->limit( 100 ) |
| 1049 | ->caller( __METHOD__ ) |
| 1050 | ->fetchResultSet(); |
| 1051 | |
| 1052 | if ( $res->numRows() > 0 ) { |
| 1053 | $insertData = []; // array of users/groups to insert to user_former_groups |
| 1054 | $deleteCond = []; // array for deleting the rows that are to be moved around |
| 1055 | foreach ( $res as $row ) { |
| 1056 | $insertData[] = [ 'ufg_user' => $row->ug_user, 'ufg_group' => $row->ug_group ]; |
| 1057 | $deleteCond[] = $dbw |
| 1058 | ->expr( 'ug_user', '=', $row->ug_user ) |
| 1059 | ->and( 'ug_group', '=', $row->ug_group ); |
| 1060 | } |
| 1061 | // Delete the rows we're about to move |
| 1062 | $dbw->newDeleteQueryBuilder() |
| 1063 | ->deleteFrom( 'user_groups' ) |
| 1064 | ->where( new OrExpressionGroup( ...$deleteCond ) ) |
| 1065 | ->caller( __METHOD__ )->execute(); |
| 1066 | // Push the groups to user_former_groups |
| 1067 | $dbw->newInsertQueryBuilder() |
| 1068 | ->insertInto( 'user_former_groups' ) |
| 1069 | ->ignore() |
| 1070 | ->rows( $insertData ) |
| 1071 | ->caller( __METHOD__ )->execute(); |
| 1072 | // Count how many rows were purged |
| 1073 | $purgedRows += $res->numRows(); |
| 1074 | } |
| 1075 | |
| 1076 | $dbw->endAtomic( __METHOD__ ); |
| 1077 | |
| 1078 | $this->dbProvider->commitAndWaitForReplication( __METHOD__, $ticket ); |
| 1079 | } while ( $res->numRows() > 0 ); |
| 1080 | return $purgedRows; |
| 1081 | } |
| 1082 | |
| 1083 | /** |
| 1084 | * @param array $config |
| 1085 | * @param string $group |
| 1086 | * @return string[] |
| 1087 | */ |
| 1088 | private function expandChangeableGroupConfig( array $config, string $group ): array { |
| 1089 | if ( empty( $config[$group] ) ) { |
| 1090 | return []; |
| 1091 | } elseif ( $config[$group] === true ) { |
| 1092 | // You get everything |
| 1093 | return $this->listAllGroups(); |
| 1094 | } elseif ( is_array( $config[$group] ) ) { |
| 1095 | return $config[$group]; |
| 1096 | } |
| 1097 | return []; |
| 1098 | } |
| 1099 | |
| 1100 | /** |
| 1101 | * Returns an array of the groups that a particular group can add/remove. |
| 1102 | * |
| 1103 | * @since 1.37 |
| 1104 | * @param string $group The group to check for whether it can add/remove |
| 1105 | * @return array [ |
| 1106 | * 'add' => [ addablegroups ], |
| 1107 | * 'remove' => [ removablegroups ], |
| 1108 | * 'add-self' => [ addablegroups to self ], |
| 1109 | * 'remove-self' => [ removable groups from self ] ] |
| 1110 | */ |
| 1111 | public function getGroupsChangeableByGroup( string $group ): array { |
| 1112 | return [ |
| 1113 | 'add' => $this->expandChangeableGroupConfig( |
| 1114 | $this->options->get( MainConfigNames::AddGroups ), $group |
| 1115 | ), |
| 1116 | 'remove' => $this->expandChangeableGroupConfig( |
| 1117 | $this->options->get( MainConfigNames::RemoveGroups ), $group |
| 1118 | ), |
| 1119 | 'add-self' => $this->expandChangeableGroupConfig( |
| 1120 | $this->options->get( MainConfigNames::GroupsAddToSelf ), $group |
| 1121 | ), |
| 1122 | 'remove-self' => $this->expandChangeableGroupConfig( |
| 1123 | $this->options->get( MainConfigNames::GroupsRemoveFromSelf ), $group |
| 1124 | ), |
| 1125 | ]; |
| 1126 | } |
| 1127 | |
| 1128 | /** |
| 1129 | * Returns an array of groups that this $actor can add and remove. |
| 1130 | * |
| 1131 | * @since 1.37 |
| 1132 | * @param Authority $authority |
| 1133 | * @return array [ |
| 1134 | * 'add' => [ addablegroups ], |
| 1135 | * 'remove' => [ removablegroups ], |
| 1136 | * 'add-self' => [ addablegroups to self ], |
| 1137 | * 'remove-self' => [ removable groups from self ] |
| 1138 | * ] |
| 1139 | * @phan-return array{add:list<string>,remove:list<string>,add-self:list<string>,remove-self:list<string>} |
| 1140 | */ |
| 1141 | public function getGroupsChangeableBy( Authority $authority ): array { |
| 1142 | if ( $authority->isAllowed( 'userrights' ) ) { |
| 1143 | // This group gives the right to modify everything (reverse- |
| 1144 | // compatibility with old "userrights lets you change |
| 1145 | // everything") |
| 1146 | // Using array_merge to make the groups reindexed |
| 1147 | $all = array_merge( $this->listAllGroups() ); |
| 1148 | return [ |
| 1149 | 'add' => $all, |
| 1150 | 'remove' => $all, |
| 1151 | 'add-self' => [], |
| 1152 | 'remove-self' => [] |
| 1153 | ]; |
| 1154 | } |
| 1155 | |
| 1156 | // Okay, it's not so simple, we will have to go through the arrays |
| 1157 | $groups = [ |
| 1158 | 'add' => [], |
| 1159 | 'remove' => [], |
| 1160 | 'add-self' => [], |
| 1161 | 'remove-self' => [] |
| 1162 | ]; |
| 1163 | $actorGroups = $this->getUserEffectiveGroups( $authority->getUser() ); |
| 1164 | |
| 1165 | foreach ( $actorGroups as $actorGroup ) { |
| 1166 | $groups = array_merge_recursive( |
| 1167 | $groups, $this->getGroupsChangeableByGroup( $actorGroup ) |
| 1168 | ); |
| 1169 | $groups['add'] = array_unique( $groups['add'] ); |
| 1170 | $groups['remove'] = array_unique( $groups['remove'] ); |
| 1171 | $groups['add-self'] = array_unique( $groups['add-self'] ); |
| 1172 | $groups['remove-self'] = array_unique( $groups['remove-self'] ); |
| 1173 | } |
| 1174 | return $groups; |
| 1175 | } |
| 1176 | |
| 1177 | /** |
| 1178 | * Cleans cached group memberships for a given user |
| 1179 | * |
| 1180 | * @param UserIdentity $user |
| 1181 | */ |
| 1182 | public function clearCache( UserIdentity $user ) { |
| 1183 | $user->assertWiki( $this->wikiId ); |
| 1184 | $userKey = $this->getCacheKey( $user ); |
| 1185 | unset( $this->userGroupCache[$userKey] ); |
| 1186 | unset( $this->queryFlagsUsedForCaching[$userKey] ); |
| 1187 | } |
| 1188 | |
| 1189 | /** |
| 1190 | * Sets cached group memberships and query flags for a given user |
| 1191 | * |
| 1192 | * @param string $userKey |
| 1193 | * @param string $cacheKind one of self::CACHE_KIND_* constants |
| 1194 | * @param array $groupValue |
| 1195 | * @param int $queryFlags |
| 1196 | */ |
| 1197 | private function setCache( |
| 1198 | string $userKey, |
| 1199 | string $cacheKind, |
| 1200 | array $groupValue, |
| 1201 | int $queryFlags |
| 1202 | ) { |
| 1203 | $this->userGroupCache[$userKey][$cacheKind] = $groupValue; |
| 1204 | $this->queryFlagsUsedForCaching[$userKey][$cacheKind] = $queryFlags; |
| 1205 | } |
| 1206 | |
| 1207 | /** |
| 1208 | * Clears a cached group membership and query key for a given user |
| 1209 | * |
| 1210 | * @param UserIdentity $user |
| 1211 | * @param string $cacheKind one of self::CACHE_* constants |
| 1212 | */ |
| 1213 | private function clearUserCacheForKind( UserIdentity $user, string $cacheKind ) { |
| 1214 | $userKey = $this->getCacheKey( $user ); |
| 1215 | unset( $this->userGroupCache[$userKey][$cacheKind] ); |
| 1216 | unset( $this->queryFlagsUsedForCaching[$userKey][$cacheKind] ); |
| 1217 | } |
| 1218 | |
| 1219 | /** |
| 1220 | * @param int $recency a bit field composed of IDBAccessObject::READ_XXX flags |
| 1221 | * @return IReadableDatabase |
| 1222 | */ |
| 1223 | private function getDBConnectionRefForQueryFlags( int $recency ): IReadableDatabase { |
| 1224 | if ( ( IDBAccessObject::READ_LATEST & $recency ) == IDBAccessObject::READ_LATEST ) { |
| 1225 | return $this->dbProvider->getPrimaryDatabase( $this->wikiId ); |
| 1226 | } |
| 1227 | return $this->dbProvider->getReplicaDatabase( $this->wikiId ); |
| 1228 | } |
| 1229 | |
| 1230 | /** |
| 1231 | * Gets a unique key for various caches. |
| 1232 | * @param UserIdentity $user |
| 1233 | * @return string |
| 1234 | */ |
| 1235 | private function getCacheKey( UserIdentity $user ): string { |
| 1236 | return $user->isRegistered() ? "u:{$user->getId( $this->wikiId )}" : "anon:{$user->getName()}"; |
| 1237 | } |
| 1238 | |
| 1239 | /** |
| 1240 | * Determines if it's ok to use cached options values for a given user and query flags |
| 1241 | * @param UserIdentity $user |
| 1242 | * @param string $cacheKind one of self::CACHE_* constants |
| 1243 | * @param int $queryFlags |
| 1244 | * @return bool |
| 1245 | */ |
| 1246 | private function canUseCachedValues( |
| 1247 | UserIdentity $user, |
| 1248 | string $cacheKind, |
| 1249 | int $queryFlags |
| 1250 | ): bool { |
| 1251 | if ( !$user->isRegistered() ) { |
| 1252 | // Anon users don't have groups stored in the database, |
| 1253 | // so $queryFlags are ignored. |
| 1254 | return true; |
| 1255 | } |
| 1256 | if ( $queryFlags >= IDBAccessObject::READ_LOCKING ) { |
| 1257 | return false; |
| 1258 | } |
| 1259 | $userKey = $this->getCacheKey( $user ); |
| 1260 | $queryFlagsUsed = $this->queryFlagsUsedForCaching[$userKey][$cacheKind] ?? IDBAccessObject::READ_NONE; |
| 1261 | return $queryFlagsUsed >= $queryFlags; |
| 1262 | } |
| 1263 | } |