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| 1 | <?php |
| 2 | /** |
| 3 | * @license GPL-2.0-or-later |
| 4 | * @file |
| 5 | */ |
| 6 | |
| 7 | namespace MediaWiki\Specials; |
| 8 | |
| 9 | use MediaWiki\Exception\PermissionsError; |
| 10 | use MediaWiki\Exception\UserBlockedError; |
| 11 | use MediaWiki\Html\Html; |
| 12 | use MediaWiki\HTMLForm\Field\HTMLUserTextField; |
| 13 | use MediaWiki\HTMLForm\HTMLForm; |
| 14 | use MediaWiki\Language\FormatterFactory; |
| 15 | use MediaWiki\Linker\Linker; |
| 16 | use MediaWiki\MainConfigNames; |
| 17 | use MediaWiki\SpecialPage\SpecialPage; |
| 18 | use MediaWiki\SpecialPage\UserGroupsSpecialPage; |
| 19 | use MediaWiki\Status\Status; |
| 20 | use MediaWiki\Title\Title; |
| 21 | use MediaWiki\User\MultiFormatUserIdentityLookup; |
| 22 | use MediaWiki\User\UserFactory; |
| 23 | use MediaWiki\User\UserGroupAssignmentService; |
| 24 | use MediaWiki\User\UserGroupManager; |
| 25 | use MediaWiki\User\UserGroupManagerFactory; |
| 26 | use MediaWiki\User\UserIdentity; |
| 27 | use MediaWiki\User\UserNamePrefixSearch; |
| 28 | use MediaWiki\User\UserNameUtils; |
| 29 | use MediaWiki\Watchlist\WatchlistManager; |
| 30 | use MediaWiki\WikiMap\WikiMap; |
| 31 | use Wikimedia\Rdbms\IDBAccessObject; |
| 32 | |
| 33 | /** |
| 34 | * Special page to allow managing user group membership |
| 35 | * |
| 36 | * @ingroup SpecialPage |
| 37 | */ |
| 38 | class SpecialUserRights extends UserGroupsSpecialPage { |
| 39 | /** |
| 40 | * @var UserIdentity The user object of the target username. |
| 41 | */ |
| 42 | protected UserIdentity $targetUser; |
| 43 | |
| 44 | /** @var UserGroupManager The UserGroupManager of the target username */ |
| 45 | private UserGroupManager $userGroupManager; |
| 46 | |
| 47 | /** @var list<string> Names of the groups the current target is automatically in */ |
| 48 | private array $autopromoteGroups = []; |
| 49 | |
| 50 | public function __construct( |
| 51 | private readonly UserGroupManagerFactory $userGroupManagerFactory, |
| 52 | private readonly UserNameUtils $userNameUtils, |
| 53 | private readonly UserNamePrefixSearch $userNamePrefixSearch, |
| 54 | private readonly UserFactory $userFactory, |
| 55 | private readonly WatchlistManager $watchlistManager, |
| 56 | private readonly UserGroupAssignmentService $userGroupAssignmentService, |
| 57 | private readonly MultiFormatUserIdentityLookup $multiFormatUserIdentityLookup, |
| 58 | private readonly FormatterFactory $formatterFactory, |
| 59 | ) { |
| 60 | parent::__construct( 'Userrights' ); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Manage forms to be shown according to posted data. |
| 65 | * Depending on the submit button used, call a form or a save function. |
| 66 | * |
| 67 | * @param string|null $subPage String if any subpage provided, else null |
| 68 | * @throws UserBlockedError|PermissionsError |
| 69 | */ |
| 70 | public function execute( $subPage ) { |
| 71 | $user = $this->getUser(); |
| 72 | $request = $this->getRequest(); |
| 73 | $out = $this->getOutput(); |
| 74 | |
| 75 | $this->setHeaders(); |
| 76 | $this->outputHeader(); |
| 77 | $this->addModules(); |
| 78 | $this->addHelpLink( 'Help:Assigning permissions' ); |
| 79 | |
| 80 | $targetName = $subPage ?? $request->getText( 'user' ); |
| 81 | $this->switchForm( $targetName ); |
| 82 | |
| 83 | // If the user just viewed this page, without trying to submit, return early |
| 84 | // It prevents from showing "nouserspecified" error message on first view |
| 85 | if ( $subPage === null && !$request->getCheck( 'user' ) ) { |
| 86 | return; |
| 87 | } |
| 88 | |
| 89 | if ( |
| 90 | !$this->getAuthority()->isAllowed( 'userrights-interwiki' ) && |
| 91 | $this->redirectIfRemoteWikiForView( $targetName ) |
| 92 | ) { |
| 93 | return; |
| 94 | } |
| 95 | |
| 96 | // No need to check if $target is non-empty or non-canonical, this is done in the lookup service |
| 97 | $fetchedStatus = $this->multiFormatUserIdentityLookup->getUserIdentity( $targetName, $this->getAuthority() ); |
| 98 | if ( !$fetchedStatus->isOK() ) { |
| 99 | $out->addHTML( Html::warningBox( |
| 100 | $this->formatterFactory->getStatusFormatter( $this->getContext() ) |
| 101 | ->getMessage( $fetchedStatus )->parse() |
| 102 | ) ); |
| 103 | return; |
| 104 | } |
| 105 | |
| 106 | $fetchedUser = $fetchedStatus->value; |
| 107 | // Phan false positive on Status object - T323205 |
| 108 | '@phan-var UserIdentity $fetchedUser'; |
| 109 | |
| 110 | if ( !$this->userGroupAssignmentService->targetCanHaveUserGroups( $fetchedUser ) ) { |
| 111 | // Differentiate between temp accounts and IP addresses. Eventually we might want |
| 112 | // to edit the messages so that the same can be shown for both cases. |
| 113 | $messageKey = $fetchedUser->isRegistered() ? 'userrights-no-group' : 'nosuchusershort'; |
| 114 | $out->addHTML( Html::warningBox( |
| 115 | $this->msg( $messageKey, $fetchedUser->getName() )->parse() |
| 116 | ) ); |
| 117 | return; |
| 118 | } |
| 119 | |
| 120 | $this->initialize( $fetchedUser ); |
| 121 | $this->showMessageOnSuccess(); |
| 122 | |
| 123 | if ( |
| 124 | $request->wasPosted() && |
| 125 | $request->getCheck( 'saveusergroups' ) && |
| 126 | $user->matchEditToken( $request->getVal( 'wpEditToken' ), $targetName ) |
| 127 | ) { |
| 128 | /* |
| 129 | * If the user is blocked and they only have "partial" access |
| 130 | * (e.g. they don't have the userrights permission), then don't |
| 131 | * allow them to change any user rights. |
| 132 | */ |
| 133 | if ( !$this->getAuthority()->isAllowed( 'userrights' ) ) { |
| 134 | $block = $user->getBlock(); |
| 135 | if ( $block && $block->isSitewide() ) { |
| 136 | throw new UserBlockedError( |
| 137 | $block, |
| 138 | $user, |
| 139 | $this->getLanguage(), |
| 140 | $request->getIP() |
| 141 | ); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | $this->checkReadOnly(); |
| 146 | |
| 147 | $status = $this->saveUserGroups( |
| 148 | $request->getText( 'user-reason' ), |
| 149 | $fetchedUser, |
| 150 | ); |
| 151 | |
| 152 | if ( $status->isOK() ) { |
| 153 | $this->setSuccessFlag(); |
| 154 | $out->redirect( $this->getSuccessURL( $targetName ) ); |
| 155 | return; |
| 156 | } else { |
| 157 | // Print an error message and redisplay the form |
| 158 | foreach ( $status->getMessages() as $msg ) { |
| 159 | $out->addHTML( Html::errorBox( |
| 160 | $this->msg( $msg )->parse() |
| 161 | ) ); |
| 162 | } |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | // Show the form (either edit or view) |
| 167 | $out->addHTML( $this->buildGroupsForm() ); |
| 168 | $this->showLogFragment( 'rights', 'rights' ); |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Initializes the class with data related to the current target user. This method should be called |
| 173 | * before delegating any operations related to viewing, editing or saving user groups to the parent class. |
| 174 | */ |
| 175 | private function initialize( UserIdentity $user ): void { |
| 176 | $this->targetUser = $user; |
| 177 | $this->setTargetName( |
| 178 | $user->getName(), |
| 179 | $this->userGroupAssignmentService->getPageTitleForTargetUser( $user ) |
| 180 | ); |
| 181 | |
| 182 | $wikiId = $user->getWikiId(); |
| 183 | $userGroupManager = $this->userGroupManagerFactory->getUserGroupManager( $wikiId ); |
| 184 | $this->explicitGroups = $userGroupManager->listAllGroups(); |
| 185 | $this->groupMemberships = $userGroupManager->getUserGroupMemberships( $user ); |
| 186 | $this->userGroupManager = $userGroupManager; |
| 187 | |
| 188 | // Don't evaluate private conditions for restricted groups here, so that we don't leak |
| 189 | // information about them through the checkboxes being disabled or enabled |
| 190 | // An exception is if a user tries to change their own groups - it doesn't leak anything |
| 191 | $evaluatePrivateConditions = $user->equals( $this->getAuthority()->getUser() ); |
| 192 | |
| 193 | $changeableGroups = $this->userGroupAssignmentService->getChangeableGroups( |
| 194 | $this->getAuthority(), $user, $evaluatePrivateConditions ); |
| 195 | $this->setChangeableGroups( $changeableGroups ); |
| 196 | |
| 197 | $isLocalWiki = $wikiId === UserIdentity::LOCAL; |
| 198 | $this->enableWatchUser = $isLocalWiki; |
| 199 | if ( $isLocalWiki ) { |
| 200 | // Listing autopromote groups is only available on the local wiki |
| 201 | $this->autopromoteGroups = $userGroupManager->getUserAutopromoteGroups( $this->targetUser ); |
| 202 | // Set the 'relevant user' in the skin, so it displays links like Contributions, |
| 203 | // User logs, UserRights, etc. |
| 204 | $this->getSkin()->setRelevantUser( $user ); |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * If the special page is used for an interwiki user and the performer |
| 210 | * has no userrights-interwiki permission, redirect them to the remote wiki, |
| 211 | * instead of displaying the groups. |
| 212 | * |
| 213 | * This helps with appropriate listing of implicit groups and ensures that |
| 214 | * the performer has read access to the remote wiki. |
| 215 | * |
| 216 | * Returns a boolean value, indicating whether the redirect occurred. |
| 217 | */ |
| 218 | private function redirectIfRemoteWikiForView( string $target ): bool { |
| 219 | $interwikiDelimiter = $this->getConfig()->get( MainConfigNames::UserrightsInterwikiDelimiter ); |
| 220 | if ( !str_contains( $target, $interwikiDelimiter ) ) { |
| 221 | return false; |
| 222 | } |
| 223 | |
| 224 | $targetParts = explode( $interwikiDelimiter, $target ); |
| 225 | [ $user, $remoteWikiId ] = $targetParts; |
| 226 | |
| 227 | if ( WikiMap::isCurrentWikiId( $remoteWikiId ) ) { |
| 228 | // No need for redirect |
| 229 | return false; |
| 230 | } |
| 231 | |
| 232 | $remoteWiki = WikiMap::getWiki( $remoteWikiId ); |
| 233 | if ( !$remoteWiki ) { |
| 234 | // Nowhere to redirect to |
| 235 | return false; |
| 236 | } |
| 237 | |
| 238 | $remoteUrl = $remoteWiki->getUrl( 'Special:UserRights' ); |
| 239 | $remoteUrl = wfAppendQuery( $remoteUrl, [ 'user' => $user ] ); |
| 240 | $this->getOutput()->redirect( $remoteUrl ); |
| 241 | return true; |
| 242 | } |
| 243 | |
| 244 | private function getSuccessURL( string $target ): string { |
| 245 | return $this->getPageTitle( $target )->getFullURL(); |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * Save user groups changes in the database. |
| 250 | * Data comes from the editUserGroupsForm() form function |
| 251 | * |
| 252 | * @param string $reason Reason for group change |
| 253 | * @param UserIdentity $user The target user |
| 254 | * @return Status |
| 255 | */ |
| 256 | protected function saveUserGroups( string $reason, UserIdentity $user ) { |
| 257 | // This conflict check doesn't prevent from a situation when two concurrent DB transactions |
| 258 | // update the same user's groups, but that's highly unlikely. |
| 259 | $userGroupsPrimary = $this->userGroupManager->getUserGroupMemberships( $user, IDBAccessObject::READ_LATEST ); |
| 260 | if ( $this->conflictOccured( $userGroupsPrimary ) ) { |
| 261 | return Status::newFatal( 'userrights-conflict' ); |
| 262 | } |
| 263 | |
| 264 | $newGroupsStatus = $this->readGroupsForm(); |
| 265 | |
| 266 | if ( !$newGroupsStatus->isOK() ) { |
| 267 | return $newGroupsStatus; |
| 268 | } |
| 269 | $newGroups = $newGroupsStatus->value; |
| 270 | |
| 271 | // addgroup contains also existing groups with changed expiry |
| 272 | [ $addgroup, $removegroup, $groupExpiries ] = $this->splitGroupsIntoAddRemove( |
| 273 | $newGroups, $this->groupMemberships ); |
| 274 | |
| 275 | $invalidGroups = $this->userGroupAssignmentService->validateUserGroups( |
| 276 | $this->getAuthority(), $user, $addgroup, $removegroup, $groupExpiries, $this->groupMemberships ); |
| 277 | if ( $invalidGroups ) { |
| 278 | // We cannot simply use $invalidGroups for logging, as it doesn't contain groups with satisfied conditions |
| 279 | // (and lack of error may be an information itself, which should be logged) |
| 280 | $this->userGroupAssignmentService->logAccessToPrivateConditions( |
| 281 | $this->getAuthority(), $user, $addgroup, $groupExpiries, $this->groupMemberships ); |
| 282 | return $this->formatInvalidGroupsStatus( $invalidGroups, $user->getName() ); |
| 283 | } |
| 284 | |
| 285 | $this->userGroupAssignmentService->saveChangesToUserGroups( $this->getAuthority(), $user, $addgroup, |
| 286 | $removegroup, $groupExpiries, $reason ); |
| 287 | |
| 288 | if ( $user->getWikiId() === UserIdentity::LOCAL && $this->getRequest()->getCheck( 'wpWatch' ) ) { |
| 289 | $this->watchlistManager->addWatchIgnoringRights( |
| 290 | $this->getUser(), |
| 291 | Title::makeTitle( NS_USER, $user->getName() ) |
| 292 | ); |
| 293 | } |
| 294 | |
| 295 | return Status::newGood(); |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Display a HTMLUserTextField form to allow searching for a named user only |
| 300 | */ |
| 301 | protected function switchForm( string $target ) { |
| 302 | $formDescriptor = [ |
| 303 | 'user' => [ |
| 304 | 'class' => HTMLUserTextField::class, |
| 305 | 'label-message' => 'userrights-user-editname', |
| 306 | 'name' => 'user', |
| 307 | 'ipallowed' => true, |
| 308 | 'iprange' => true, |
| 309 | 'excludetemp' => true, // Do not show temp users: T341684 |
| 310 | 'autofocus' => $target === '', |
| 311 | 'default' => $target, |
| 312 | ] |
| 313 | ]; |
| 314 | |
| 315 | $htmlForm = HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() ); |
| 316 | $htmlForm |
| 317 | ->setMethod( 'GET' ) |
| 318 | ->setAction( wfScript() ) |
| 319 | ->setName( 'uluser' ) |
| 320 | ->setTitle( SpecialPage::getTitleFor( 'Userrights' ) ) |
| 321 | ->setWrapperLegendMsg( 'userrights-lookup-user' ) |
| 322 | ->setId( 'mw-userrights-form1' ) |
| 323 | ->setSubmitTextMsg( 'editusergroup' ) |
| 324 | ->prepareForm() |
| 325 | ->displayForm( true ); |
| 326 | } |
| 327 | |
| 328 | /** @inheritDoc */ |
| 329 | protected function getTargetUserToolLinks(): string { |
| 330 | $targetWiki = $this->targetUser->getWikiId(); |
| 331 | $systemUser = $targetWiki === UserIdentity::LOCAL |
| 332 | && $this->userFactory->newFromUserIdentity( $this->targetUser )->isSystemUser(); |
| 333 | |
| 334 | // Only add an email link if the user is not a system user |
| 335 | $flags = $systemUser ? 0 : Linker::TOOL_LINKS_EMAIL; |
| 336 | return Linker::userToolLinks( |
| 337 | $this->targetUser->getId( $targetWiki ), |
| 338 | $this->targetDisplayName, |
| 339 | false, /* default for redContribsWhenNoEdits */ |
| 340 | $flags |
| 341 | ); |
| 342 | } |
| 343 | |
| 344 | protected function buildFormExtraInfo(): ?string { |
| 345 | // Display a note if this is a system user |
| 346 | $systemUser = $this->targetUser->getWikiId() === UserIdentity::LOCAL |
| 347 | && $this->userFactory->newFromUserIdentity( $this->targetUser )->isSystemUser(); |
| 348 | if ( $systemUser ) { |
| 349 | return $this->msg( 'userrights-systemuser' ) |
| 350 | ->params( $this->targetUser->getName() ) |
| 351 | ->parse(); |
| 352 | } |
| 353 | return null; |
| 354 | } |
| 355 | |
| 356 | /** @inheritDoc */ |
| 357 | protected function categorizeUserGroupsForDisplay( array $userGroups ): array { |
| 358 | return [ |
| 359 | 'userrights-groupsmember' => array_values( $userGroups ), |
| 360 | 'userrights-groupsmember-auto' => $this->autopromoteGroups, |
| 361 | ]; |
| 362 | } |
| 363 | |
| 364 | /** |
| 365 | * Return an array of subpages beginning with $search that this special page will accept. |
| 366 | * |
| 367 | * @param string $search Prefix to search for |
| 368 | * @param int $limit Maximum number of results to return (usually 10) |
| 369 | * @param int $offset Number of results to skip (usually 0) |
| 370 | * @return string[] Matching subpages |
| 371 | */ |
| 372 | public function prefixSearchSubpages( $search, $limit, $offset ) { |
| 373 | $search = $this->userNameUtils->getCanonical( $search ); |
| 374 | if ( !$search ) { |
| 375 | // No prefix suggestion for invalid user |
| 376 | return []; |
| 377 | } |
| 378 | // Autocomplete subpage as user list - public to allow caching |
| 379 | return $this->userNamePrefixSearch |
| 380 | ->search( UserNamePrefixSearch::AUDIENCE_PUBLIC, $search, $limit, $offset ); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * Retain the old class name for backwards compatibility. |
| 386 | * @deprecated since 1.40 |
| 387 | */ |
| 388 | class_alias( SpecialUserRights::class, 'UserrightsPage' ); |