includes/preferences/DefaultPreferencesFactory.php

   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\Preferences;
  22
  23 use Config;
  24 use DateTime;
  25 use DateTimeZone;
  26 use Exception;
  27 use Hooks;
  28 use Html;
  29 use HTMLForm;
  30 use HTMLFormField;
  31 use IContextSource;
  32 use Language;
  33 use LanguageCode;
  34 use LanguageConverter;
  35 use MediaWiki\Auth\AuthManager;
  36 use MediaWiki\Auth\PasswordAuthenticationRequest;
  37 use MediaWiki\Config\ServiceOptions;
  38 use MediaWiki\Linker\LinkRenderer;
  39 use MediaWiki\MediaWikiServices;
  40 use MessageLocalizer;
  41 use MWException;
  42 use MWTimestamp;
  43 use NamespaceInfo;
  44 use OutputPage;
  45 use Parser;
  46 use ParserOptions;
  47 use PreferencesFormOOUI;
  48 use Psr\Log\LoggerAwareTrait;
  49 use Psr\Log\NullLogger;
  50 use Skin;
  51 use SpecialPage;
  52 use Status;
  53 use Title;
  54 use UnexpectedValueException;
  55 use User;
  56 use UserGroupMembership;
  57 use Xml;
  58
  59 /**
  60  * This is the default implementation of PreferencesFactory.
  61  */
  62 class DefaultPreferencesFactory implements PreferencesFactory {
  63         use LoggerAwareTrait;
  64
  65         /** @var ServiceOptions */
  66         protected $options;
  67
  68         /** @var Language The wiki's content language. */
  69         protected $contLang;
  70
  71         /** @var AuthManager */
  72         protected $authManager;
  73
  74         /** @var LinkRenderer */
  75         protected $linkRenderer;
  76
  77         /** @var NamespaceInfo */
  78         protected $nsInfo;
  79
  80         /**
  81          * TODO Make this a const when we drop HHVM support (T192166)
  82          *
  83          * @var array
  84          * @since 1.34
  85          */
  86         public static $constructorOptions = [
  87                 'AllowRequiringEmailForResets',
  88                 'AllowUserCss',
  89                 'AllowUserCssPrefs',
  90                 'AllowUserJs',
  91                 'DefaultSkin',
  92                 'DisableLangConversion',
  93                 'EmailAuthentication',
  94                 'EmailConfirmToEdit',
  95                 'EnableEmail',
  96                 'EnableUserEmail',
  97                 'EnableUserEmailBlacklist',
  98                 'EnotifMinorEdits',
  99                 'EnotifRevealEditorAddress',
 100                 'EnotifUserTalk',
 101                 'EnotifWatchlist',
 102                 'HiddenPrefs',
 103                 'ImageLimits',
 104                 'LanguageCode',
 105                 'LocalTZoffset',
 106                 'MaxSigChars',
 107                 'RCMaxAge',
 108                 'RCShowWatchingUsers',
 109                 'RCWatchCategoryMembership',
 110                 'SecureLogin',
 111                 'ThumbLimits',
 112         ];
 113
 114         /**
 115          * Do not call this directly.  Get it from MediaWikiServices.
 116          *
 117          * @param ServiceOptions|Config $options Config accepted for backwards compatibility
 118          * @param Language $contLang
 119          * @param AuthManager $authManager
 120          * @param LinkRenderer $linkRenderer
 121          * @param NamespaceInfo|null $nsInfo
 122          */
 123         public function __construct(
 124                 $options,
 125                 Language $contLang,
 126                 AuthManager $authManager,
 127                 LinkRenderer $linkRenderer,
 128                 NamespaceInfo $nsInfo = null
 129         ) {
 130                 if ( $options instanceof Config ) {
 131                         wfDeprecated( __METHOD__ . ' with Config parameter', '1.34' );
 132                         $options = new ServiceOptions( self::$constructorOptions, $options );
 133                 }
 134
 135                 $options->assertRequiredOptions( self::$constructorOptions );
 136
 137                 if ( !$nsInfo ) {
 138                         wfDeprecated( __METHOD__ . ' with no NamespaceInfo argument', '1.34' );
 139                         $nsInfo = MediaWikiServices::getInstance()->getNamespaceInfo();
 140                 }
 141                 $this->options = $options;
 142                 $this->contLang = $contLang;
 143                 $this->authManager = $authManager;
 144                 $this->linkRenderer = $linkRenderer;
 145                 $this->nsInfo = $nsInfo;
 146                 $this->logger = new NullLogger();
 147         }
 148
 149         /**
 150          * @inheritDoc
 151          */
 152         public function getSaveBlacklist() {
 153                 return [
 154                         'realname',
 155                         'emailaddress',
 156                 ];
 157         }
 158
 159         /**
 160          * @throws MWException
 161          * @param User $user
 162          * @param IContextSource $context
 163          * @return array|null
 164          */
 165         public function getFormDescriptor( User $user, IContextSource $context ) {
 166                 $preferences = [];
 167
 168                 OutputPage::setupOOUI(
 169                         strtolower( $context->getSkin()->getSkinName() ),
 170                         $context->getLanguage()->getDir()
 171                 );
 172
 173                 $canIPUseHTTPS = wfCanIPUseHTTPS( $context->getRequest()->getIP() );
 174                 $this->profilePreferences( $user, $context, $preferences, $canIPUseHTTPS );
 175                 $this->skinPreferences( $user, $context, $preferences );
 176                 $this->datetimePreferences( $user, $context, $preferences );
 177                 $this->filesPreferences( $context, $preferences );
 178                 $this->renderingPreferences( $user, $context, $preferences );
 179                 $this->editingPreferences( $user, $context, $preferences );
 180                 $this->rcPreferences( $user, $context, $preferences );
 181                 $this->watchlistPreferences( $user, $context, $preferences );
 182                 $this->searchPreferences( $preferences );
 183
 184                 Hooks::run( 'GetPreferences', [ $user, &$preferences ] );
 185
 186                 $this->loadPreferenceValues( $user, $context, $preferences );
 187                 $this->logger->debug( "Created form descriptor for user '{$user->getName()}'" );
 188                 return $preferences;
 189         }
 190
 191         /**
 192          * Loads existing values for a given array of preferences
 193          * @throws MWException
 194          * @param User $user
 195          * @param IContextSource $context
 196          * @param array &$defaultPreferences Array to load values for
 197          * @return array|null
 198          */
 199         private function loadPreferenceValues(
 200                 User $user, IContextSource $context, &$defaultPreferences
 201         ) {
 202                 # # Remove preferences that wikis don't want to use
 203                 foreach ( $this->options->get( 'HiddenPrefs' ) as $pref ) {
 204                         if ( isset( $defaultPreferences[$pref] ) ) {
 205                                 unset( $defaultPreferences[$pref] );
 206                         }
 207                 }
 208
 209                 # # Make sure that form fields have their parent set. See T43337.
 210                 $dummyForm = new HTMLForm( [], $context );
 211
 212                 $disable = !$user->isAllowed( 'editmyoptions' );
 213
 214                 $defaultOptions = User::getDefaultOptions();
 215                 $userOptions = $user->getOptions();
 216                 $this->applyFilters( $userOptions, $defaultPreferences, 'filterForForm' );
 217                 # # Prod in defaults from the user
 218                 foreach ( $defaultPreferences as $name => &$info ) {
 219                         $prefFromUser = $this->getOptionFromUser( $name, $info, $userOptions );
 220                         if ( $disable && !in_array( $name, $this->getSaveBlacklist() ) ) {
 221                                 $info['disabled'] = 'disabled';
 222                         }
 223                         $field = HTMLForm::loadInputFromParameters( $name, $info, $dummyForm ); // For validation
 224                         $globalDefault = $defaultOptions[$name] ?? null;
 225
 226                         // If it validates, set it as the default
 227                         if ( isset( $info['default'] ) ) {
 228                                 // Already set, no problem
 229                                 continue;
 230                         } elseif ( !is_null( $prefFromUser ) && // Make sure we're not just pulling nothing
 231                                         $field->validate( $prefFromUser, $user->getOptions() ) === true ) {
 232                                 $info['default'] = $prefFromUser;
 233                         } elseif ( $field->validate( $globalDefault, $user->getOptions() ) === true ) {
 234                                 $info['default'] = $globalDefault;
 235                         } else {
 236                                 $globalDefault = json_encode( $globalDefault );
 237                                 throw new MWException(
 238                                         "Default '$globalDefault' is invalid for preference $name of user $user"
 239                                 );
 240                         }
 241                 }
 242
 243                 return $defaultPreferences;
 244         }
 245
 246         /**
 247          * Pull option from a user account. Handles stuff like array-type preferences.
 248          *
 249          * @param string $name
 250          * @param array $info
 251          * @param array $userOptions
 252          * @return array|string
 253          */
 254         protected function getOptionFromUser( $name, $info, array $userOptions ) {
 255                 $val = $userOptions[$name] ?? null;
 256
 257                 // Handling for multiselect preferences
 258                 if ( ( isset( $info['type'] ) && $info['type'] == 'multiselect' ) ||
 259                                 ( isset( $info['class'] ) && $info['class'] == \HTMLMultiSelectField::class ) ) {
 260                         $options = HTMLFormField::flattenOptions( $info['options'] );
 261                         $prefix = $info['prefix'] ?? $name;
 262                         $val = [];
 263
 264                         foreach ( $options as $value ) {
 265                                 if ( $userOptions["$prefix$value"] ?? false ) {
 266                                         $val[] = $value;
 267                                 }
 268                         }
 269                 }
 270
 271                 // Handling for checkmatrix preferences
 272                 if ( ( isset( $info['type'] ) && $info['type'] == 'checkmatrix' ) ||
 273                                 ( isset( $info['class'] ) && $info['class'] == \HTMLCheckMatrix::class ) ) {
 274                         $columns = HTMLFormField::flattenOptions( $info['columns'] );
 275                         $rows = HTMLFormField::flattenOptions( $info['rows'] );
 276                         $prefix = $info['prefix'] ?? $name;
 277                         $val = [];
 278
 279                         foreach ( $columns as $column ) {
 280                                 foreach ( $rows as $row ) {
 281                                         if ( $userOptions["$prefix$column-$row"] ?? false ) {
 282                                                 $val[] = "$column-$row";
 283                                         }
 284                                 }
 285                         }
 286                 }
 287
 288                 return $val;
 289         }
 290
 291         /**
 292          * @todo Inject user Language instead of using context.
 293          * @param User $user
 294          * @param IContextSource $context
 295          * @param array &$defaultPreferences
 296          * @param bool $canIPUseHTTPS Whether the user's IP is likely to be able to access the wiki
 297          * via HTTPS.
 298          * @return void
 299          */
 300         protected function profilePreferences(
 301                 User $user, IContextSource $context, &$defaultPreferences, $canIPUseHTTPS
 302         ) {
 303                 // retrieving user name for GENDER and misc.
 304                 $userName = $user->getName();
 305
 306                 # # User info #####################################
 307                 // Information panel
 308                 $defaultPreferences['username'] = [
 309                         'type' => 'info',
 310                         'label-message' => [ 'username', $userName ],
 311                         'default' => $userName,
 312                         'section' => 'personal/info',
 313                 ];
 314
 315                 $lang = $context->getLanguage();
 316
 317                 # Get groups to which the user belongs
 318                 $userEffectiveGroups = $user->getEffectiveGroups();
 319                 $userGroupMemberships = $user->getGroupMemberships();
 320                 $userGroups = $userMembers = $userTempGroups = $userTempMembers = [];
 321                 foreach ( $userEffectiveGroups as $ueg ) {
 322                         if ( $ueg == '*' ) {
 323                                 // Skip the default * group, seems useless here
 324                                 continue;
 325                         }
 326
 327                         $groupStringOrObject = $userGroupMemberships[$ueg] ?? $ueg;
 328
 329                         $userG = UserGroupMembership::getLink( $groupStringOrObject, $context, 'html' );
 330                         $userM = UserGroupMembership::getLink( $groupStringOrObject, $context, 'html',
 331                                 $userName );
 332
 333                         // Store expiring groups separately, so we can place them before non-expiring
 334                         // groups in the list. This is to avoid the ambiguity of something like
 335                         // "administrator, bureaucrat (until X date)" -- users might wonder whether the
 336                         // expiry date applies to both groups, or just the last one
 337                         if ( $groupStringOrObject instanceof UserGroupMembership &&
 338                                 $groupStringOrObject->getExpiry()
 339                         ) {
 340                                 $userTempGroups[] = $userG;
 341                                 $userTempMembers[] = $userM;
 342                         } else {
 343                                 $userGroups[] = $userG;
 344                                 $userMembers[] = $userM;
 345                         }
 346                 }
 347                 sort( $userGroups );
 348                 sort( $userMembers );
 349                 sort( $userTempGroups );
 350                 sort( $userTempMembers );
 351                 $userGroups = array_merge( $userTempGroups, $userGroups );
 352                 $userMembers = array_merge( $userTempMembers, $userMembers );
 353
 354                 $defaultPreferences['usergroups'] = [
 355                         'type' => 'info',
 356                         'label' => $context->msg( 'prefs-memberingroups' )->numParams(
 357                                 count( $userGroups ) )->params( $userName )->parse(),
 358                         'default' => $context->msg( 'prefs-memberingroups-type' )
 359                                 ->rawParams( $lang->commaList( $userGroups ), $lang->commaList( $userMembers ) )
 360                                 ->escaped(),
 361                         'raw' => true,
 362                         'section' => 'personal/info',
 363                 ];
 364
 365                 $contribTitle = SpecialPage::getTitleFor( "Contributions", $userName );
 366                 $formattedEditCount = $lang->formatNum( $user->getEditCount() );
 367                 $editCount = $this->linkRenderer->makeLink( $contribTitle, $formattedEditCount );
 368
 369                 $defaultPreferences['editcount'] = [
 370                         'type' => 'info',
 371                         'raw' => true,
 372                         'label-message' => 'prefs-edits',
 373                         'default' => $editCount,
 374                         'section' => 'personal/info',
 375                 ];
 376
 377                 if ( $user->getRegistration() ) {
 378                         $displayUser = $context->getUser();
 379                         $userRegistration = $user->getRegistration();
 380                         $defaultPreferences['registrationdate'] = [
 381                                 'type' => 'info',
 382                                 'label-message' => 'prefs-registration',
 383                                 'default' => $context->msg(
 384                                         'prefs-registration-date-time',
 385                                         $lang->userTimeAndDate( $userRegistration, $displayUser ),
 386                                         $lang->userDate( $userRegistration, $displayUser ),
 387                                         $lang->userTime( $userRegistration, $displayUser )
 388                                 )->text(),
 389                                 'section' => 'personal/info',
 390                         ];
 391                 }
 392
 393                 $canViewPrivateInfo = $user->isAllowed( 'viewmyprivateinfo' );
 394                 $canEditPrivateInfo = $user->isAllowed( 'editmyprivateinfo' );
 395
 396                 // Actually changeable stuff
 397                 $defaultPreferences['realname'] = [
 398                         // (not really "private", but still shouldn't be edited without permission)
 399                         'type' => $canEditPrivateInfo && $this->authManager->allowsPropertyChange( 'realname' )
 400                                 ? 'text' : 'info',
 401                         'default' => $user->getRealName(),
 402                         'section' => 'personal/info',
 403                         'label-message' => 'yourrealname',
 404                         'help-message' => 'prefs-help-realname',
 405                 ];
 406
 407                 if ( $canEditPrivateInfo && $this->authManager->allowsAuthenticationDataChange(
 408                         new PasswordAuthenticationRequest(), false )->isGood()
 409                 ) {
 410                         $defaultPreferences['password'] = [
 411                                 'type' => 'info',
 412                                 'raw' => true,
 413                                 'default' => (string)new \OOUI\ButtonWidget( [
 414                                         'href' => SpecialPage::getTitleFor( 'ChangePassword' )->getLinkURL( [
 415                                                 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText()
 416                                         ] ),
 417                                         'label' => $context->msg( 'prefs-resetpass' )->text(),
 418                                 ] ),
 419                                 'label-message' => 'yourpassword',
 420                                 'section' => 'personal/info',
 421                         ];
 422                 }
 423                 // Only show prefershttps if secure login is turned on
 424                 if ( $this->options->get( 'SecureLogin' ) && $canIPUseHTTPS ) {
 425                         $defaultPreferences['prefershttps'] = [
 426                                 'type' => 'toggle',
 427                                 'label-message' => 'tog-prefershttps',
 428                                 'help-message' => 'prefs-help-prefershttps',
 429                                 'section' => 'personal/info'
 430                         ];
 431                 }
 432
 433                 $languages = Language::fetchLanguageNames( null, 'mwfile' );
 434                 $languageCode = $this->options->get( 'LanguageCode' );
 435                 if ( !array_key_exists( $languageCode, $languages ) ) {
 436                         $languages[$languageCode] = $languageCode;
 437                         // Sort the array again
 438                         ksort( $languages );
 439                 }
 440
 441                 $options = [];
 442                 foreach ( $languages as $code => $name ) {
 443                         $display = LanguageCode::bcp47( $code ) . ' - ' . $name;
 444                         $options[$display] = $code;
 445                 }
 446                 $defaultPreferences['language'] = [
 447                         'type' => 'select',
 448                         'section' => 'personal/i18n',
 449                         'options' => $options,
 450                         'label-message' => 'yourlanguage',
 451                 ];
 452
 453                 $defaultPreferences['gender'] = [
 454                         'type' => 'radio',
 455                         'section' => 'personal/i18n',
 456                         'options' => [
 457                                 $context->msg( 'parentheses' )
 458                                         ->params( $context->msg( 'gender-unknown' )->plain() )
 459                                         ->escaped() => 'unknown',
 460                                 $context->msg( 'gender-female' )->escaped() => 'female',
 461                                 $context->msg( 'gender-male' )->escaped() => 'male',
 462                         ],
 463                         'label-message' => 'yourgender',
 464                         'help-message' => 'prefs-help-gender',
 465                 ];
 466
 467                 // see if there are multiple language variants to choose from
 468                 if ( !$this->options->get( 'DisableLangConversion' ) ) {
 469                         foreach ( LanguageConverter::$languagesWithVariants as $langCode ) {
 470                                 if ( $langCode == $this->contLang->getCode() ) {
 471                                         if ( !$this->contLang->hasVariants() ) {
 472                                                 continue;
 473                                         }
 474
 475                                         $variants = $this->contLang->getVariants();
 476                                         $variantArray = [];
 477                                         foreach ( $variants as $v ) {
 478                                                 $v = str_replace( '_', '-', strtolower( $v ) );
 479                                                 $variantArray[$v] = $lang->getVariantname( $v, false );
 480                                         }
 481
 482                                         $options = [];
 483                                         foreach ( $variantArray as $code => $name ) {
 484                                                 $display = LanguageCode::bcp47( $code ) . ' - ' . $name;
 485                                                 $options[$display] = $code;
 486                                         }
 487
 488                                         $defaultPreferences['variant'] = [
 489                                                 'label-message' => 'yourvariant',
 490                                                 'type' => 'select',
 491                                                 'options' => $options,
 492                                                 'section' => 'personal/i18n',
 493                                                 'help-message' => 'prefs-help-variant',
 494                                         ];
 495                                 } else {
 496                                         $defaultPreferences["variant-$langCode"] = [
 497                                                 'type' => 'api',
 498                                         ];
 499                                 }
 500                         }
 501                 }
 502
 503                 // show a preview of the old signature first
 504                 $oldsigWikiText = MediaWikiServices::getInstance()->getParser()->preSaveTransform(
 505                         '~~~',
 506                         $context->getTitle(),
 507                         $user,
 508                         ParserOptions::newFromContext( $context )
 509                 );
 510                 $oldsigHTML = Parser::stripOuterParagraph(
 511                         $context->getOutput()->parseAsContent( $oldsigWikiText )
 512                 );
 513                 $defaultPreferences['oldsig'] = [
 514                         'type' => 'info',
 515                         'raw' => true,
 516                         'label-message' => 'tog-oldsig',
 517                         'default' => $oldsigHTML,
 518                         'section' => 'personal/signature',
 519                 ];
 520                 $defaultPreferences['nickname'] = [
 521                         'type' => $this->authManager->allowsPropertyChange( 'nickname' ) ? 'text' : 'info',
 522                         'maxlength' => $this->options->get( 'MaxSigChars' ),
 523                         'label-message' => 'yournick',
 524                         'validation-callback' => function ( $signature, $alldata, HTMLForm $form ) {
 525                                 return $this->validateSignature( $signature, $alldata, $form );
 526                         },
 527                         'section' => 'personal/signature',
 528                         'filter-callback' => function ( $signature, array $alldata, HTMLForm $form ) {
 529                                 return $this->cleanSignature( $signature, $alldata, $form );
 530                         },
 531                 ];
 532                 $defaultPreferences['fancysig'] = [
 533                         'type' => 'toggle',
 534                         'label-message' => 'tog-fancysig',
 535                         // show general help about signature at the bottom of the section
 536                         'help-message' => 'prefs-help-signature',
 537                         'section' => 'personal/signature'
 538                 ];
 539
 540                 # # Email stuff
 541
 542                 if ( $this->options->get( 'EnableEmail' ) ) {
 543                         if ( $canViewPrivateInfo ) {
 544                                 $helpMessages = [];
 545                                 $helpMessages[] = $this->options->get( 'EmailConfirmToEdit' )
 546                                                 ? 'prefs-help-email-required'
 547                                                 : 'prefs-help-email';
 548
 549                                 if ( $this->options->get( 'EnableUserEmail' ) ) {
 550                                         // additional messages when users can send email to each other
 551                                         $helpMessages[] = 'prefs-help-email-others';
 552                                 }
 553
 554                                 $emailAddress = $user->getEmail() ? htmlspecialchars( $user->getEmail() ) : '';
 555                                 if ( $canEditPrivateInfo && $this->authManager->allowsPropertyChange( 'emailaddress' ) ) {
 556                                         $button = new \OOUI\ButtonWidget( [
 557                                                 'href' => SpecialPage::getTitleFor( 'ChangeEmail' )->getLinkURL( [
 558                                                         'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText()
 559                                                 ] ),
 560                                                 'label' =>
 561                                                         $context->msg( $user->getEmail() ? 'prefs-changeemail' : 'prefs-setemail' )->text(),
 562                                         ] );
 563
 564                                         $emailAddress .= $emailAddress == '' ? $button : ( '<br />' . $button );
 565                                 }
 566
 567                                 $defaultPreferences['emailaddress'] = [
 568                                         'type' => 'info',
 569                                         'raw' => true,
 570                                         'default' => $emailAddress,
 571                                         'label-message' => 'youremail',
 572                                         'section' => 'personal/email',
 573                                         'help-messages' => $helpMessages,
 574                                         # 'cssclass' chosen below
 575                                 ];
 576                         }
 577
 578                         $disableEmailPrefs = false;
 579
 580                         if ( $this->options->get( 'EmailAuthentication' ) ) {
 581                                 $emailauthenticationclass = 'mw-email-not-authenticated';
 582                                 if ( $user->getEmail() ) {
 583                                         if ( $user->getEmailAuthenticationTimestamp() ) {
 584                                                 // date and time are separate parameters to facilitate localisation.
 585                                                 // $time is kept for backward compat reasons.
 586                                                 // 'emailauthenticated' is also used in SpecialConfirmemail.php
 587                                                 $displayUser = $context->getUser();
 588                                                 $emailTimestamp = $user->getEmailAuthenticationTimestamp();
 589                                                 $time = $lang->userTimeAndDate( $emailTimestamp, $displayUser );
 590                                                 $d = $lang->userDate( $emailTimestamp, $displayUser );
 591                                                 $t = $lang->userTime( $emailTimestamp, $displayUser );
 592                                                 $emailauthenticated = $context->msg( 'emailauthenticated',
 593                                                         $time, $d, $t )->parse() . '<br />';
 594                                                 $disableEmailPrefs = false;
 595                                                 $emailauthenticationclass = 'mw-email-authenticated';
 596                                         } else {
 597                                                 $disableEmailPrefs = true;
 598                                                 $emailauthenticated = $context->msg( 'emailnotauthenticated' )->parse() . '<br />' .
 599                                                         new \OOUI\ButtonWidget( [
 600                                                                 'href' => SpecialPage::getTitleFor( 'Confirmemail' )->getLinkURL(),
 601                                                                 'label' => $context->msg( 'emailconfirmlink' )->text(),
 602                                                         ] );
 603                                                 $emailauthenticationclass = "mw-email-not-authenticated";
 604                                         }
 605                                 } else {
 606                                         $disableEmailPrefs = true;
 607                                         $emailauthenticated = $context->msg( 'noemailprefs' )->escaped();
 608                                         $emailauthenticationclass = 'mw-email-none';
 609                                 }
 610
 611                                 if ( $canViewPrivateInfo ) {
 612                                         $defaultPreferences['emailauthentication'] = [
 613                                                 'type' => 'info',
 614                                                 'raw' => true,
 615                                                 'section' => 'personal/email',
 616                                                 'label-message' => 'prefs-emailconfirm-label',
 617                                                 'default' => $emailauthenticated,
 618                                                 # Apply the same CSS class used on the input to the message:
 619                                                 'cssclass' => $emailauthenticationclass,
 620                                         ];
 621                                 }
 622                         }
 623
 624                         if ( $this->options->get( 'AllowRequiringEmailForResets' ) ) {
 625                                 $defaultPreferences['requireemail'] = [
 626                                         'type' => 'toggle',
 627                                         'label-message' => 'tog-requireemail',
 628                                         'help-message' => 'prefs-help-requireemail',
 629                                         'section' => 'personal/email',
 630                                         'disabled' => $disableEmailPrefs,
 631                                 ];
 632                         }
 633
 634                         if ( $this->options->get( 'EnableUserEmail' ) && $user->isAllowed( 'sendemail' ) ) {
 635                                 $defaultPreferences['disablemail'] = [
 636                                         'id' => 'wpAllowEmail',
 637                                         'type' => 'toggle',
 638                                         'invert' => true,
 639                                         'section' => 'personal/email',
 640                                         'label-message' => 'allowemail',
 641                                         'disabled' => $disableEmailPrefs,
 642                                 ];
 643
 644                                 $defaultPreferences['email-allow-new-users'] = [
 645                                         'id' => 'wpAllowEmailFromNewUsers',
 646                                         'type' => 'toggle',
 647                                         'section' => 'personal/email',
 648                                         'label-message' => 'email-allow-new-users-label',
 649                                         'disabled' => $disableEmailPrefs,
 650                                 ];
 651
 652                                 $defaultPreferences['ccmeonemails'] = [
 653                                         'type' => 'toggle',
 654                                         'section' => 'personal/email',
 655                                         'label-message' => 'tog-ccmeonemails',
 656                                         'disabled' => $disableEmailPrefs,
 657                                 ];
 658
 659                                 if ( $this->options->get( 'EnableUserEmailBlacklist' ) ) {
 660                                         $defaultPreferences['email-blacklist'] = [
 661                                                 'type' => 'usersmultiselect',
 662                                                 'label-message' => 'email-blacklist-label',
 663                                                 'section' => 'personal/email',
 664                                                 'disabled' => $disableEmailPrefs,
 665                                                 'filter' => MultiUsernameFilter::class,
 666                                         ];
 667                                 }
 668                         }
 669
 670                         if ( $this->options->get( 'EnotifWatchlist' ) ) {
 671                                 $defaultPreferences['enotifwatchlistpages'] = [
 672                                         'type' => 'toggle',
 673                                         'section' => 'personal/email',
 674                                         'label-message' => 'tog-enotifwatchlistpages',
 675                                         'disabled' => $disableEmailPrefs,
 676                                 ];
 677                         }
 678                         if ( $this->options->get( 'EnotifUserTalk' ) ) {
 679                                 $defaultPreferences['enotifusertalkpages'] = [
 680                                         'type' => 'toggle',
 681                                         'section' => 'personal/email',
 682                                         'label-message' => 'tog-enotifusertalkpages',
 683                                         'disabled' => $disableEmailPrefs,
 684                                 ];
 685                         }
 686                         if ( $this->options->get( 'EnotifUserTalk' ) ||
 687                         $this->options->get( 'EnotifWatchlist' ) ) {
 688                                 if ( $this->options->get( 'EnotifMinorEdits' ) ) {
 689                                         $defaultPreferences['enotifminoredits'] = [
 690                                                 'type' => 'toggle',
 691                                                 'section' => 'personal/email',
 692                                                 'label-message' => 'tog-enotifminoredits',
 693                                                 'disabled' => $disableEmailPrefs,
 694                                         ];
 695                                 }
 696
 697                                 if ( $this->options->get( 'EnotifRevealEditorAddress' ) ) {
 698                                         $defaultPreferences['enotifrevealaddr'] = [
 699                                                 'type' => 'toggle',
 700                                                 'section' => 'personal/email',
 701                                                 'label-message' => 'tog-enotifrevealaddr',
 702                                                 'disabled' => $disableEmailPrefs,
 703                                         ];
 704                                 }
 705                         }
 706                 }
 707         }
 708
 709         /**
 710          * @param User $user
 711          * @param IContextSource $context
 712          * @param array &$defaultPreferences
 713          * @return void
 714          */
 715         protected function skinPreferences( User $user, IContextSource $context, &$defaultPreferences ) {
 716                 # # Skin #####################################
 717
 718                 // Skin selector, if there is at least one valid skin
 719                 $skinOptions = $this->generateSkinOptions( $user, $context );
 720                 if ( $skinOptions ) {
 721                         $defaultPreferences['skin'] = [
 722                                 'type' => 'radio',
 723                                 'options' => $skinOptions,
 724                                 'section' => 'rendering/skin',
 725                         ];
 726                 }
 727
 728                 $allowUserCss = $this->options->get( 'AllowUserCss' );
 729                 $allowUserJs = $this->options->get( 'AllowUserJs' );
 730                 # Create links to user CSS/JS pages for all skins
 731                 # This code is basically copied from generateSkinOptions().  It'd
 732                 # be nice to somehow merge this back in there to avoid redundancy.
 733                 if ( $allowUserCss || $allowUserJs ) {
 734                         $linkTools = [];
 735                         $userName = $user->getName();
 736
 737                         if ( $allowUserCss ) {
 738                                 $cssPage = Title::makeTitleSafe( NS_USER, $userName . '/common.css' );
 739                                 $cssLinkText = $context->msg( 'prefs-custom-css' )->text();
 740                                 $linkTools[] = $this->linkRenderer->makeLink( $cssPage, $cssLinkText );
 741                         }
 742
 743                         if ( $allowUserJs ) {
 744                                 $jsPage = Title::makeTitleSafe( NS_USER, $userName . '/common.js' );
 745                                 $jsLinkText = $context->msg( 'prefs-custom-js' )->text();
 746                                 $linkTools[] = $this->linkRenderer->makeLink( $jsPage, $jsLinkText );
 747                         }
 748
 749                         $defaultPreferences['commoncssjs'] = [
 750                                 'type' => 'info',
 751                                 'raw' => true,
 752                                 'default' => $context->getLanguage()->pipeList( $linkTools ),
 753                                 'label-message' => 'prefs-common-config',
 754                                 'section' => 'rendering/skin',
 755                         ];
 756                 }
 757         }
 758
 759         /**
 760          * @param IContextSource $context
 761          * @param array &$defaultPreferences
 762          */
 763         protected function filesPreferences( IContextSource $context, &$defaultPreferences ) {
 764                 # # Files #####################################
 765                 $defaultPreferences['imagesize'] = [
 766                         'type' => 'select',
 767                         'options' => $this->getImageSizes( $context ),
 768                         'label-message' => 'imagemaxsize',
 769                         'section' => 'rendering/files',
 770                 ];
 771                 $defaultPreferences['thumbsize'] = [
 772                         'type' => 'select',
 773                         'options' => $this->getThumbSizes( $context ),
 774                         'label-message' => 'thumbsize',
 775                         'section' => 'rendering/files',
 776                 ];
 777         }
 778
 779         /**
 780          * @param User $user
 781          * @param IContextSource $context
 782          * @param array &$defaultPreferences
 783          * @return void
 784          */
 785         protected function datetimePreferences( $user, IContextSource $context, &$defaultPreferences ) {
 786                 # # Date and time #####################################
 787                 $dateOptions = $this->getDateOptions( $context );
 788                 if ( $dateOptions ) {
 789                         $defaultPreferences['date'] = [
 790                                 'type' => 'radio',
 791                                 'options' => $dateOptions,
 792                                 'section' => 'rendering/dateformat',
 793                         ];
 794                 }
 795
 796                 // Info
 797                 $now = wfTimestampNow();
 798                 $lang = $context->getLanguage();
 799                 $nowlocal = Xml::element( 'span', [ 'id' => 'wpLocalTime' ],
 800                         $lang->userTime( $now, $user ) );
 801                 $nowserver = $lang->userTime( $now, $user,
 802                                 [ 'format' => false, 'timecorrection' => false ] ) .
 803                         Html::hidden( 'wpServerTime', (int)substr( $now, 8, 2 ) * 60 + (int)substr( $now, 10, 2 ) );
 804
 805                 $defaultPreferences['nowserver'] = [
 806                         'type' => 'info',
 807                         'raw' => 1,
 808                         'label-message' => 'servertime',
 809                         'default' => $nowserver,
 810                         'section' => 'rendering/timeoffset',
 811                 ];
 812
 813                 $defaultPreferences['nowlocal'] = [
 814                         'type' => 'info',
 815                         'raw' => 1,
 816                         'label-message' => 'localtime',
 817                         'default' => $nowlocal,
 818                         'section' => 'rendering/timeoffset',
 819                 ];
 820
 821                 // Grab existing pref.
 822                 $tzOffset = $user->getOption( 'timecorrection' );
 823                 $tz = explode( '|', $tzOffset, 3 );
 824
 825                 $tzOptions = $this->getTimezoneOptions( $context );
 826
 827                 $tzSetting = $tzOffset;
 828                 if ( count( $tz ) > 1 && $tz[0] == 'ZoneInfo' &&
 829                         !in_array( $tzOffset, HTMLFormField::flattenOptions( $tzOptions ) )
 830                 ) {
 831                         // Timezone offset can vary with DST
 832                         try {
 833                                 $userTZ = new DateTimeZone( $tz[2] );
 834                                 $minDiff = floor( $userTZ->getOffset( new DateTime( 'now' ) ) / 60 );
 835                                 $tzSetting = "ZoneInfo|$minDiff|{$tz[2]}";
 836                         } catch ( Exception $e ) {
 837                                 // User has an invalid time zone set. Fall back to just using the offset
 838                                 $tz[0] = 'Offset';
 839                         }
 840                 }
 841                 if ( count( $tz ) > 1 && $tz[0] == 'Offset' ) {
 842                         $minDiff = $tz[1];
 843                         $tzSetting = sprintf( '%+03d:%02d', floor( $minDiff / 60 ), abs( $minDiff ) % 60 );
 844                 }
 845
 846                 $defaultPreferences['timecorrection'] = [
 847                         'class' => \HTMLSelectOrOtherField::class,
 848                         'label-message' => 'timezonelegend',
 849                         'options' => $tzOptions,
 850                         'default' => $tzSetting,
 851                         'size' => 20,
 852                         'section' => 'rendering/timeoffset',
 853                         'id' => 'wpTimeCorrection',
 854                         'filter' => TimezoneFilter::class,
 855                         'placeholder-message' => 'timezone-useoffset-placeholder',
 856                 ];
 857         }
 858
 859         /**
 860          * @param User $user
 861          * @param MessageLocalizer $l10n
 862          * @param array &$defaultPreferences
 863          */
 864         protected function renderingPreferences(
 865                 User $user,
 866                 MessageLocalizer $l10n,
 867                 &$defaultPreferences
 868         ) {
 869                 # # Diffs ####################################
 870                 $defaultPreferences['diffonly'] = [
 871                         'type' => 'toggle',
 872                         'section' => 'rendering/diffs',
 873                         'label-message' => 'tog-diffonly',
 874                 ];
 875                 $defaultPreferences['norollbackdiff'] = [
 876                         'type' => 'toggle',
 877                         'section' => 'rendering/diffs',
 878                         'label-message' => 'tog-norollbackdiff',
 879                 ];
 880
 881                 # # Page Rendering ##############################
 882                 if ( $this->options->get( 'AllowUserCssPrefs' ) ) {
 883                         $defaultPreferences['underline'] = [
 884                                 'type' => 'select',
 885                                 'options' => [
 886                                         $l10n->msg( 'underline-never' )->text() => 0,
 887                                         $l10n->msg( 'underline-always' )->text() => 1,
 888                                         $l10n->msg( 'underline-default' )->text() => 2,
 889                                 ],
 890                                 'label-message' => 'tog-underline',
 891                                 'section' => 'rendering/advancedrendering',
 892                         ];
 893                 }
 894
 895                 $stubThresholdValues = [ 50, 100, 500, 1000, 2000, 5000, 10000 ];
 896                 $stubThresholdOptions = [ $l10n->msg( 'stub-threshold-disabled' )->text() => 0 ];
 897                 foreach ( $stubThresholdValues as $value ) {
 898                         $stubThresholdOptions[$l10n->msg( 'size-bytes', $value )->text()] = $value;
 899                 }
 900
 901                 $defaultPreferences['stubthreshold'] = [
 902                         'type' => 'select',
 903                         'section' => 'rendering/advancedrendering',
 904                         'options' => $stubThresholdOptions,
 905                         // This is not a raw HTML message; label-raw is needed for the manual <a></a>
 906                         'label-raw' => $l10n->msg( 'stub-threshold' )->rawParams(
 907                                 '<a class="stub">' .
 908                                 $l10n->msg( 'stub-threshold-sample-link' )->parse() .
 909                                 '</a>' )->parse(),
 910                 ];
 911
 912                 $defaultPreferences['showhiddencats'] = [
 913                         'type' => 'toggle',
 914                         'section' => 'rendering/advancedrendering',
 915                         'label-message' => 'tog-showhiddencats'
 916                 ];
 917
 918                 $defaultPreferences['numberheadings'] = [
 919                         'type' => 'toggle',
 920                         'section' => 'rendering/advancedrendering',
 921                         'label-message' => 'tog-numberheadings',
 922                 ];
 923
 924                 if ( $user->isAllowed( 'rollback' ) ) {
 925                         $defaultPreferences['showrollbackconfirmation'] = [
 926                                 'type' => 'toggle',
 927                                 'section' => 'rendering/advancedrendering',
 928                                 'label-message' => 'tog-showrollbackconfirmation',
 929                         ];
 930                 }
 931         }
 932
 933         /**
 934          * @param User $user
 935          * @param MessageLocalizer $l10n
 936          * @param array &$defaultPreferences
 937          */
 938         protected function editingPreferences( User $user, MessageLocalizer $l10n, &$defaultPreferences ) {
 939                 # # Editing #####################################
 940                 $defaultPreferences['editsectiononrightclick'] = [
 941                         'type' => 'toggle',
 942                         'section' => 'editing/advancedediting',
 943                         'label-message' => 'tog-editsectiononrightclick',
 944                 ];
 945                 $defaultPreferences['editondblclick'] = [
 946                         'type' => 'toggle',
 947                         'section' => 'editing/advancedediting',
 948                         'label-message' => 'tog-editondblclick',
 949                 ];
 950
 951                 if ( $this->options->get( 'AllowUserCssPrefs' ) ) {
 952                         $defaultPreferences['editfont'] = [
 953                                 'type' => 'select',
 954                                 'section' => 'editing/editor',
 955                                 'label-message' => 'editfont-style',
 956                                 'options' => [
 957                                         $l10n->msg( 'editfont-monospace' )->text() => 'monospace',
 958                                         $l10n->msg( 'editfont-sansserif' )->text() => 'sans-serif',
 959                                         $l10n->msg( 'editfont-serif' )->text() => 'serif',
 960                                 ]
 961                         ];
 962                 }
 963
 964                 if ( $user->isAllowed( 'minoredit' ) ) {
 965                         $defaultPreferences['minordefault'] = [
 966                                 'type' => 'toggle',
 967                                 'section' => 'editing/editor',
 968                                 'label-message' => 'tog-minordefault',
 969                         ];
 970                 }
 971
 972                 $defaultPreferences['forceeditsummary'] = [
 973                         'type' => 'toggle',
 974                         'section' => 'editing/editor',
 975                         'label-message' => 'tog-forceeditsummary',
 976                 ];
 977                 $defaultPreferences['useeditwarning'] = [
 978                         'type' => 'toggle',
 979                         'section' => 'editing/editor',
 980                         'label-message' => 'tog-useeditwarning',
 981                 ];
 982
 983                 $defaultPreferences['previewonfirst'] = [
 984                         'type' => 'toggle',
 985                         'section' => 'editing/preview',
 986                         'label-message' => 'tog-previewonfirst',
 987                 ];
 988                 $defaultPreferences['previewontop'] = [
 989                         'type' => 'toggle',
 990                         'section' => 'editing/preview',
 991                         'label-message' => 'tog-previewontop',
 992                 ];
 993                 $defaultPreferences['uselivepreview'] = [
 994                         'type' => 'toggle',
 995                         'section' => 'editing/preview',
 996                         'label-message' => 'tog-uselivepreview',
 997                 ];
 998         }
 999
1000         /**
1001          * @param User $user
1002          * @param MessageLocalizer $l10n
1003          * @param array &$defaultPreferences
1004          */
1005         protected function rcPreferences( User $user, MessageLocalizer $l10n, &$defaultPreferences ) {
1006                 $rcMaxAge = $this->options->get( 'RCMaxAge' );
1007                 # # RecentChanges #####################################
1008                 $defaultPreferences['rcdays'] = [
1009                         'type' => 'float',
1010                         'label-message' => 'recentchangesdays',
1011                         'section' => 'rc/displayrc',
1012                         'min' => 1 / 24,
1013                         'max' => ceil( $rcMaxAge / ( 3600 * 24 ) ),
1014                         'help' => $l10n->msg( 'recentchangesdays-max' )->numParams(
1015                                 ceil( $rcMaxAge / ( 3600 * 24 ) ) )->escaped()
1016                 ];
1017                 $defaultPreferences['rclimit'] = [
1018                         'type' => 'int',
1019                         'min' => 1,
1020                         'max' => 1000,
1021                         'label-message' => 'recentchangescount',
1022                         'help-message' => 'prefs-help-recentchangescount',
1023                         'section' => 'rc/displayrc',
1024                         'filter' => IntvalFilter::class,
1025                 ];
1026                 $defaultPreferences['usenewrc'] = [
1027                         'type' => 'toggle',
1028                         'label-message' => 'tog-usenewrc',
1029                         'section' => 'rc/advancedrc',
1030                 ];
1031                 $defaultPreferences['hideminor'] = [
1032                         'type' => 'toggle',
1033                         'label-message' => 'tog-hideminor',
1034                         'section' => 'rc/changesrc',
1035                 ];
1036                 $defaultPreferences['rcfilters-rc-collapsed'] = [
1037                         'type' => 'api',
1038                 ];
1039                 $defaultPreferences['rcfilters-wl-collapsed'] = [
1040                         'type' => 'api',
1041                 ];
1042                 $defaultPreferences['rcfilters-saved-queries'] = [
1043                         'type' => 'api',
1044                 ];
1045                 $defaultPreferences['rcfilters-wl-saved-queries'] = [
1046                         'type' => 'api',
1047                 ];
1048                 // Override RCFilters preferences for RecentChanges 'limit'
1049                 $defaultPreferences['rcfilters-limit'] = [
1050                         'type' => 'api',
1051                 ];
1052                 $defaultPreferences['rcfilters-saved-queries-versionbackup'] = [
1053                         'type' => 'api',
1054                 ];
1055                 $defaultPreferences['rcfilters-wl-saved-queries-versionbackup'] = [
1056                         'type' => 'api',
1057                 ];
1058
1059                 if ( $this->options->get( 'RCWatchCategoryMembership' ) ) {
1060                         $defaultPreferences['hidecategorization'] = [
1061                                 'type' => 'toggle',
1062                                 'label-message' => 'tog-hidecategorization',
1063                                 'section' => 'rc/changesrc',
1064                         ];
1065                 }
1066
1067                 if ( $user->useRCPatrol() ) {
1068                         $defaultPreferences['hidepatrolled'] = [
1069                                 'type' => 'toggle',
1070                                 'section' => 'rc/changesrc',
1071                                 'label-message' => 'tog-hidepatrolled',
1072                         ];
1073                 }
1074
1075                 if ( $user->useNPPatrol() ) {
1076                         $defaultPreferences['newpageshidepatrolled'] = [
1077                                 'type' => 'toggle',
1078                                 'section' => 'rc/changesrc',
1079                                 'label-message' => 'tog-newpageshidepatrolled',
1080                         ];
1081                 }
1082
1083                 if ( $this->options->get( 'RCShowWatchingUsers' ) ) {
1084                         $defaultPreferences['shownumberswatching'] = [
1085                                 'type' => 'toggle',
1086                                 'section' => 'rc/advancedrc',
1087                                 'label-message' => 'tog-shownumberswatching',
1088                         ];
1089                 }
1090
1091                 $defaultPreferences['rcenhancedfilters-disable'] = [
1092                         'type' => 'toggle',
1093                         'section' => 'rc/advancedrc',
1094                         'label-message' => 'rcfilters-preference-label',
1095                         'help-message' => 'rcfilters-preference-help',
1096                 ];
1097         }
1098
1099         /**
1100          * @param User $user
1101          * @param IContextSource $context
1102          * @param array &$defaultPreferences
1103          */
1104         protected function watchlistPreferences(
1105                 User $user, IContextSource $context, &$defaultPreferences
1106         ) {
1107                 $watchlistdaysMax = ceil( $this->options->get( 'RCMaxAge' ) / ( 3600 * 24 ) );
1108
1109                 # # Watchlist #####################################
1110                 if ( $user->isAllowed( 'editmywatchlist' ) ) {
1111                         $editWatchlistLinks = '';
1112                         $editWatchlistModes = [
1113                                 'edit' => [ 'subpage' => false, 'flags' => [] ],
1114                                 'raw' => [ 'subpage' => 'raw', 'flags' => [] ],
1115                                 'clear' => [ 'subpage' => 'clear', 'flags' => [ 'destructive' ] ],
1116                         ];
1117                         foreach ( $editWatchlistModes as $mode => $options ) {
1118                                 // Messages: prefs-editwatchlist-edit, prefs-editwatchlist-raw, prefs-editwatchlist-clear
1119                                 $editWatchlistLinks .=
1120                                         new \OOUI\ButtonWidget( [
1121                                                 'href' => SpecialPage::getTitleFor( 'EditWatchlist', $options['subpage'] )->getLinkURL(),
1122                                                 'flags' => $options[ 'flags' ],
1123                                                 'label' => new \OOUI\HtmlSnippet(
1124                                                         $context->msg( "prefs-editwatchlist-{$mode}" )->parse()
1125                                                 ),
1126                                         ] );
1127                         }
1128
1129                         $defaultPreferences['editwatchlist'] = [
1130                                 'type' => 'info',
1131                                 'raw' => true,
1132                                 'default' => $editWatchlistLinks,
1133                                 'label-message' => 'prefs-editwatchlist-label',
1134                                 'section' => 'watchlist/editwatchlist',
1135                         ];
1136                 }
1137
1138                 $defaultPreferences['watchlistdays'] = [
1139                         'type' => 'float',
1140                         'min' => 1 / 24,
1141                         'max' => $watchlistdaysMax,
1142                         'section' => 'watchlist/displaywatchlist',
1143                         'help' => $context->msg( 'prefs-watchlist-days-max' )->numParams(
1144                                 $watchlistdaysMax )->escaped(),
1145                         'label-message' => 'prefs-watchlist-days',
1146                 ];
1147                 $defaultPreferences['wllimit'] = [
1148                         'type' => 'int',
1149                         'min' => 1,
1150                         'max' => 1000,
1151                         'label-message' => 'prefs-watchlist-edits',
1152                         'help' => $context->msg( 'prefs-watchlist-edits-max' )->escaped(),
1153                         'section' => 'watchlist/displaywatchlist',
1154                         'filter' => IntvalFilter::class,
1155                 ];
1156                 $defaultPreferences['extendwatchlist'] = [
1157                         'type' => 'toggle',
1158                         'section' => 'watchlist/advancedwatchlist',
1159                         'label-message' => 'tog-extendwatchlist',
1160                 ];
1161                 $defaultPreferences['watchlisthideminor'] = [
1162                         'type' => 'toggle',
1163                         'section' => 'watchlist/changeswatchlist',
1164                         'label-message' => 'tog-watchlisthideminor',
1165                 ];
1166                 $defaultPreferences['watchlisthidebots'] = [
1167                         'type' => 'toggle',
1168                         'section' => 'watchlist/changeswatchlist',
1169                         'label-message' => 'tog-watchlisthidebots',
1170                 ];
1171                 $defaultPreferences['watchlisthideown'] = [
1172                         'type' => 'toggle',
1173                         'section' => 'watchlist/changeswatchlist',
1174                         'label-message' => 'tog-watchlisthideown',
1175                 ];
1176                 $defaultPreferences['watchlisthideanons'] = [
1177                         'type' => 'toggle',
1178                         'section' => 'watchlist/changeswatchlist',
1179                         'label-message' => 'tog-watchlisthideanons',
1180                 ];
1181                 $defaultPreferences['watchlisthideliu'] = [
1182                         'type' => 'toggle',
1183                         'section' => 'watchlist/changeswatchlist',
1184                         'label-message' => 'tog-watchlisthideliu',
1185                 ];
1186
1187                 if ( !\SpecialWatchlist::checkStructuredFilterUiEnabled( $user ) ) {
1188                         $defaultPreferences['watchlistreloadautomatically'] = [
1189                                 'type' => 'toggle',
1190                                 'section' => 'watchlist/advancedwatchlist',
1191                                 'label-message' => 'tog-watchlistreloadautomatically',
1192                         ];
1193                 }
1194
1195                 $defaultPreferences['watchlistunwatchlinks'] = [
1196                         'type' => 'toggle',
1197                         'section' => 'watchlist/advancedwatchlist',
1198                         'label-message' => 'tog-watchlistunwatchlinks',
1199                 ];
1200
1201                 if ( $this->options->get( 'RCWatchCategoryMembership' ) ) {
1202                         $defaultPreferences['watchlisthidecategorization'] = [
1203                                 'type' => 'toggle',
1204                                 'section' => 'watchlist/changeswatchlist',
1205                                 'label-message' => 'tog-watchlisthidecategorization',
1206                         ];
1207                 }
1208
1209                 if ( $user->useRCPatrol() ) {
1210                         $defaultPreferences['watchlisthidepatrolled'] = [
1211                                 'type' => 'toggle',
1212                                 'section' => 'watchlist/changeswatchlist',
1213                                 'label-message' => 'tog-watchlisthidepatrolled',
1214                         ];
1215                 }
1216
1217                 $watchTypes = [
1218                         'edit' => 'watchdefault',
1219                         'move' => 'watchmoves',
1220                         'delete' => 'watchdeletion'
1221                 ];
1222
1223                 // Kinda hacky
1224                 if ( $user->isAllowed( 'createpage' ) || $user->isAllowed( 'createtalk' ) ) {
1225                         $watchTypes['read'] = 'watchcreations';
1226                 }
1227
1228                 if ( $user->isAllowed( 'rollback' ) ) {
1229                         $watchTypes['rollback'] = 'watchrollback';
1230                 }
1231
1232                 if ( $user->isAllowed( 'upload' ) ) {
1233                         $watchTypes['upload'] = 'watchuploads';
1234                 }
1235
1236                 foreach ( $watchTypes as $action => $pref ) {
1237                         if ( $user->isAllowed( $action ) ) {
1238                                 // Messages:
1239                                 // tog-watchdefault, tog-watchmoves, tog-watchdeletion, tog-watchcreations, tog-watchuploads
1240                                 // tog-watchrollback
1241                                 $defaultPreferences[$pref] = [
1242                                         'type' => 'toggle',
1243                                         'section' => 'watchlist/pageswatchlist',
1244                                         'label-message' => "tog-$pref",
1245                                 ];
1246                         }
1247                 }
1248
1249                 $defaultPreferences['watchlisttoken'] = [
1250                         'type' => 'api',
1251                 ];
1252
1253                 $tokenButton = new \OOUI\ButtonWidget( [
1254                         'href' => SpecialPage::getTitleFor( 'ResetTokens' )->getLinkURL( [
1255                                 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText()
1256                         ] ),
1257                         'label' => $context->msg( 'prefs-watchlist-managetokens' )->text(),
1258                 ] );
1259                 $defaultPreferences['watchlisttoken-info'] = [
1260                         'type' => 'info',
1261                         'section' => 'watchlist/tokenwatchlist',
1262                         'label-message' => 'prefs-watchlist-token',
1263                         'help-message' => 'prefs-help-tokenmanagement',
1264                         'raw' => true,
1265                         'default' => (string)$tokenButton,
1266                 ];
1267
1268                 $defaultPreferences['wlenhancedfilters-disable'] = [
1269                         'type' => 'toggle',
1270                         'section' => 'watchlist/advancedwatchlist',
1271                         'label-message' => 'rcfilters-watchlist-preference-label',
1272                         'help-message' => 'rcfilters-watchlist-preference-help',
1273                 ];
1274         }
1275
1276         /**
1277          * @param array &$defaultPreferences
1278          */
1279         protected function searchPreferences( &$defaultPreferences ) {
1280                 foreach ( $this->nsInfo->getValidNamespaces() as $n ) {
1281                         $defaultPreferences['searchNs' . $n] = [
1282                                 'type' => 'api',
1283                         ];
1284                 }
1285         }
1286
1287         /**
1288          * @param User $user The User object
1289          * @param IContextSource $context
1290          * @return array Text/links to display as key; $skinkey as value
1291          */
1292         protected function generateSkinOptions( User $user, IContextSource $context ) {
1293                 $ret = [];
1294
1295                 $mptitle = Title::newMainPage();
1296                 $previewtext = $context->msg( 'skin-preview' )->escaped();
1297
1298                 # Only show skins that aren't disabled in $wgSkipSkins
1299                 $validSkinNames = Skin::getAllowedSkins();
1300                 $allInstalledSkins = Skin::getSkinNames();
1301
1302                 // Display the installed skin the user has specifically requested via useskin=….
1303                 $useSkin = $context->getRequest()->getRawVal( 'useskin' );
1304                 if ( isset( $allInstalledSkins[$useSkin] )
1305                         && $context->msg( "skinname-$useSkin" )->exists()
1306                 ) {
1307                         $validSkinNames[$useSkin] = $useSkin;
1308                 }
1309
1310                 // Display the skin if the user has set it as a preference already before it was hidden.
1311                 $currentUserSkin = $user->getOption( 'skin' );
1312                 if ( isset( $allInstalledSkins[$currentUserSkin] )
1313                         && $context->msg( "skinname-$currentUserSkin" )->exists()
1314                 ) {
1315                         $validSkinNames[$currentUserSkin] = $currentUserSkin;
1316                 }
1317
1318                 foreach ( $validSkinNames as $skinkey => &$skinname ) {
1319                         $msg = $context->msg( "skinname-{$skinkey}" );
1320                         if ( $msg->exists() ) {
1321                                 $skinname = htmlspecialchars( $msg->text() );
1322                         }
1323                 }
1324
1325                 $defaultSkin = $this->options->get( 'DefaultSkin' );
1326                 $allowUserCss = $this->options->get( 'AllowUserCss' );
1327                 $allowUserJs = $this->options->get( 'AllowUserJs' );
1328
1329                 # Sort by the internal name, so that the ordering is the same for each display language,
1330                 # especially if some skin names are translated to use a different alphabet and some are not.
1331                 uksort( $validSkinNames, function ( $a, $b ) use ( $defaultSkin ) {
1332                         # Display the default first in the list by comparing it as lesser than any other.
1333                         if ( strcasecmp( $a, $defaultSkin ) === 0 ) {
1334                                 return -1;
1335                         }
1336                         if ( strcasecmp( $b, $defaultSkin ) === 0 ) {
1337                                 return 1;
1338                         }
1339                         return strcasecmp( $a, $b );
1340                 } );
1341
1342                 $foundDefault = false;
1343                 foreach ( $validSkinNames as $skinkey => $sn ) {
1344                         $linkTools = [];
1345
1346                         # Mark the default skin
1347                         if ( strcasecmp( $skinkey, $defaultSkin ) === 0 ) {
1348                                 $linkTools[] = $context->msg( 'default' )->escaped();
1349                                 $foundDefault = true;
1350                         }
1351
1352                         # Create preview link
1353                         $mplink = htmlspecialchars( $mptitle->getLocalURL( [ 'useskin' => $skinkey ] ) );
1354                         $linkTools[] = "<a target='_blank' href=\"$mplink\">$previewtext</a>";
1355
1356                         # Create links to user CSS/JS pages
1357                         if ( $allowUserCss ) {
1358                                 $cssPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/' . $skinkey . '.css' );
1359                                 $cssLinkText = $context->msg( 'prefs-custom-css' )->text();
1360                                 $linkTools[] = $this->linkRenderer->makeLink( $cssPage, $cssLinkText );
1361                         }
1362
1363                         if ( $allowUserJs ) {
1364                                 $jsPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/' . $skinkey . '.js' );
1365                                 $jsLinkText = $context->msg( 'prefs-custom-js' )->text();
1366                                 $linkTools[] = $this->linkRenderer->makeLink( $jsPage, $jsLinkText );
1367                         }
1368
1369                         $display = $sn . ' ' . $context->msg( 'parentheses' )
1370                                 ->rawParams( $context->getLanguage()->pipeList( $linkTools ) )
1371                                 ->escaped();
1372                         $ret[$display] = $skinkey;
1373                 }
1374
1375                 if ( !$foundDefault ) {
1376                         // If the default skin is not available, things are going to break horribly because the
1377                         // default value for skin selector will not be a valid value. Let's just not show it then.
1378                         return [];
1379                 }
1380
1381                 return $ret;
1382         }
1383
1384         /**
1385          * @param IContextSource $context
1386          * @return array
1387          */
1388         protected function getDateOptions( IContextSource $context ) {
1389                 $lang = $context->getLanguage();
1390                 $dateopts = $lang->getDatePreferences();
1391
1392                 $ret = [];
1393
1394                 if ( $dateopts ) {
1395                         if ( !in_array( 'default', $dateopts ) ) {
1396                                 $dateopts[] = 'default'; // Make sure default is always valid T21237
1397                         }
1398
1399                         // FIXME KLUGE: site default might not be valid for user language
1400                         global $wgDefaultUserOptions;
1401                         if ( !in_array( $wgDefaultUserOptions['date'], $dateopts ) ) {
1402                                 $wgDefaultUserOptions['date'] = 'default';
1403                         }
1404
1405                         $epoch = wfTimestampNow();
1406                         foreach ( $dateopts as $key ) {
1407                                 if ( $key == 'default' ) {
1408                                         $formatted = $context->msg( 'datedefault' )->escaped();
1409                                 } else {
1410                                         $formatted = htmlspecialchars( $lang->timeanddate( $epoch, false, $key ) );
1411                                 }
1412                                 $ret[$formatted] = $key;
1413                         }
1414                 }
1415                 return $ret;
1416         }
1417
1418         /**
1419          * @param MessageLocalizer $l10n
1420          * @return array
1421          */
1422         protected function getImageSizes( MessageLocalizer $l10n ) {
1423                 $ret = [];
1424                 $pixels = $l10n->msg( 'unit-pixel' )->text();
1425
1426                 foreach ( $this->options->get( 'ImageLimits' ) as $index => $limits ) {
1427                         // Note: A left-to-right marker (U+200E) is inserted, see T144386
1428                         $display = "{$limits[0]}\u{200E}×{$limits[1]}$pixels";
1429                         $ret[$display] = $index;
1430                 }
1431
1432                 return $ret;
1433         }
1434
1435         /**
1436          * @param MessageLocalizer $l10n
1437          * @return array
1438          */
1439         protected function getThumbSizes( MessageLocalizer $l10n ) {
1440                 $ret = [];
1441                 $pixels = $l10n->msg( 'unit-pixel' )->text();
1442
1443                 foreach ( $this->options->get( 'ThumbLimits' ) as $index => $size ) {
1444                         $display = $size . $pixels;
1445                         $ret[$display] = $index;
1446                 }
1447
1448                 return $ret;
1449         }
1450
1451         /**
1452          * @param string $signature
1453          * @param array $alldata
1454          * @param HTMLForm $form
1455          * @return bool|string
1456          */
1457         protected function validateSignature( $signature, $alldata, HTMLForm $form ) {
1458                 $maxSigChars = $this->options->get( 'MaxSigChars' );
1459                 if ( mb_strlen( $signature ) > $maxSigChars ) {
1460                         return Xml::element( 'span', [ 'class' => 'error' ],
1461                                 $form->msg( 'badsiglength' )->numParams( $maxSigChars )->text() );
1462                 } elseif ( isset( $alldata['fancysig'] ) &&
1463                                 $alldata['fancysig'] &&
1464                                 MediaWikiServices::getInstance()->getParser()->validateSig( $signature ) === false
1465                 ) {
1466                         return Xml::element(
1467                                 'span',
1468                                 [ 'class' => 'error' ],
1469                                 $form->msg( 'badsig' )->text()
1470                         );
1471                 } else {
1472                         return true;
1473                 }
1474         }
1475
1476         /**
1477          * @param string $signature
1478          * @param array $alldata
1479          * @param HTMLForm $form
1480          * @return string
1481          */
1482         protected function cleanSignature( $signature, $alldata, HTMLForm $form ) {
1483                 $parser = MediaWikiServices::getInstance()->getParser();
1484                 if ( isset( $alldata['fancysig'] ) && $alldata['fancysig'] ) {
1485                         $signature = $parser->cleanSig( $signature );
1486                 } else {
1487                         // When no fancy sig used, make sure ~{3,5} get removed.
1488                         $signature = Parser::cleanSigInSig( $signature );
1489                 }
1490
1491                 return $signature;
1492         }
1493
1494         /**
1495          * @param User $user
1496          * @param IContextSource $context
1497          * @param string $formClass
1498          * @param array $remove Array of items to remove
1499          * @return HTMLForm
1500          */
1501         public function getForm(
1502                 User $user,
1503                 IContextSource $context,
1504                 $formClass = PreferencesFormOOUI::class,
1505                 array $remove = []
1506         ) {
1507                 // We use ButtonWidgets in some of the getPreferences() functions
1508                 $context->getOutput()->enableOOUI();
1509
1510                 $formDescriptor = $this->getFormDescriptor( $user, $context );
1511                 if ( count( $remove ) ) {
1512                         $removeKeys = array_flip( $remove );
1513                         $formDescriptor = array_diff_key( $formDescriptor, $removeKeys );
1514                 }
1515
1516                 // Remove type=api preferences. They are not intended for rendering in the form.
1517                 foreach ( $formDescriptor as $name => $info ) {
1518                         if ( isset( $info['type'] ) && $info['type'] === 'api' ) {
1519                                 unset( $formDescriptor[$name] );
1520                         }
1521                 }
1522
1523                 /**
1524                  * @var HTMLForm $htmlForm
1525                  */
1526                 $htmlForm = new $formClass( $formDescriptor, $context, 'prefs' );
1527
1528                 // This allows users to opt-in to hidden skins. While this should be discouraged and is not
1529                 // discoverable, this allows users to still use hidden skins while preventing new users from
1530                 // adopting unsupported skins. If no useskin=… parameter was provided, it will not show up
1531                 // in the resulting URL.
1532                 $htmlForm->setAction( $context->getTitle()->getLocalURL( [
1533                         'useskin' => $context->getRequest()->getRawVal( 'useskin' )
1534                 ] ) );
1535
1536                 $htmlForm->setModifiedUser( $user );
1537                 $htmlForm->setId( 'mw-prefs-form' );
1538                 $htmlForm->setAutocomplete( 'off' );
1539                 $htmlForm->setSubmitText( $context->msg( 'saveprefs' )->text() );
1540                 # Used message keys: 'accesskey-preferences-save', 'tooltip-preferences-save'
1541                 $htmlForm->setSubmitTooltip( 'preferences-save' );
1542                 $htmlForm->setSubmitID( 'prefcontrol' );
1543                 $htmlForm->setSubmitCallback(
1544                         function ( array $formData, HTMLForm $form ) use ( $formDescriptor ) {
1545                                 return $this->submitForm( $formData, $form, $formDescriptor );
1546                         }
1547                 );
1548
1549                 return $htmlForm;
1550         }
1551
1552         /**
1553          * @param IContextSource $context
1554          * @return array
1555          */
1556         protected function getTimezoneOptions( IContextSource $context ) {
1557                 $opt = [];
1558
1559                 $localTZoffset = $this->options->get( 'LocalTZoffset' );
1560                 $timeZoneList = $this->getTimeZoneList( $context->getLanguage() );
1561
1562                 $timestamp = MWTimestamp::getLocalInstance();
1563                 // Check that the LocalTZoffset is the same as the local time zone offset
1564                 if ( $localTZoffset == $timestamp->format( 'Z' ) / 60 ) {
1565                         $timezoneName = $timestamp->getTimezone()->getName();
1566                         // Localize timezone
1567                         if ( isset( $timeZoneList[$timezoneName] ) ) {
1568                                 $timezoneName = $timeZoneList[$timezoneName]['name'];
1569                         }
1570                         $server_tz_msg = $context->msg(
1571                                 'timezoneuseserverdefault',
1572                                 $timezoneName
1573                         )->text();
1574                 } else {
1575                         $tzstring = sprintf(
1576                                 '%+03d:%02d',
1577                                 floor( $localTZoffset / 60 ),
1578                                 abs( $localTZoffset ) % 60
1579                         );
1580                         $server_tz_msg = $context->msg( 'timezoneuseserverdefault', $tzstring )->text();
1581                 }
1582                 $opt[$server_tz_msg] = "System|$localTZoffset";
1583                 $opt[$context->msg( 'timezoneuseoffset' )->text()] = 'other';
1584                 $opt[$context->msg( 'guesstimezone' )->text()] = 'guess';
1585
1586                 foreach ( $timeZoneList as $timeZoneInfo ) {
1587                         $region = $timeZoneInfo['region'];
1588                         if ( !isset( $opt[$region] ) ) {
1589                                 $opt[$region] = [];
1590                         }
1591                         $opt[$region][$timeZoneInfo['name']] = $timeZoneInfo['timecorrection'];
1592                 }
1593                 return $opt;
1594         }
1595
1596         /**
1597          * Handle the form submission if everything validated properly
1598          *
1599          * @param array $formData
1600          * @param PreferencesFormOOUI $form
1601          * @param array[] $formDescriptor
1602          * @return bool|Status|string
1603          */
1604         protected function saveFormData( $formData, PreferencesFormOOUI $form, array $formDescriptor ) {
1605                 $user = $form->getModifiedUser();
1606                 $hiddenPrefs = $this->options->get( 'HiddenPrefs' );
1607                 $result = true;
1608
1609                 if ( !$user->isAllowedAny( 'editmyprivateinfo', 'editmyoptions' ) ) {
1610                         return Status::newFatal( 'mypreferencesprotected' );
1611                 }
1612
1613                 // Filter input
1614                 $this->applyFilters( $formData, $formDescriptor, 'filterFromForm' );
1615
1616                 // Fortunately, the realname field is MUCH simpler
1617                 // (not really "private", but still shouldn't be edited without permission)
1618
1619                 if ( !in_array( 'realname', $hiddenPrefs )
1620                         && $user->isAllowed( 'editmyprivateinfo' )
1621                         && array_key_exists( 'realname', $formData )
1622                 ) {
1623                         $realName = $formData['realname'];
1624                         $user->setRealName( $realName );
1625                 }
1626
1627                 if ( $user->isAllowed( 'editmyoptions' ) ) {
1628                         $oldUserOptions = $user->getOptions();
1629
1630                         foreach ( $this->getSaveBlacklist() as $b ) {
1631                                 unset( $formData[$b] );
1632                         }
1633
1634                         # If users have saved a value for a preference which has subsequently been disabled
1635                         # via $wgHiddenPrefs, we don't want to destroy that setting in case the preference
1636                         # is subsequently re-enabled
1637                         foreach ( $hiddenPrefs as $pref ) {
1638                                 # If the user has not set a non-default value here, the default will be returned
1639                                 # and subsequently discarded
1640                                 $formData[$pref] = $user->getOption( $pref, null, true );
1641                         }
1642
1643                         // If the user changed the rclimit preference, also change the rcfilters-rclimit preference
1644                         if (
1645                                 isset( $formData['rclimit'] ) &&
1646                                 intval( $formData[ 'rclimit' ] ) !== $user->getIntOption( 'rclimit' )
1647                         ) {
1648                                 $formData['rcfilters-limit'] = $formData['rclimit'];
1649                         }
1650
1651                         // Keep old preferences from interfering due to back-compat code, etc.
1652                         $user->resetOptions( 'unused', $form->getContext() );
1653
1654                         foreach ( $formData as $key => $value ) {
1655                                 $user->setOption( $key, $value );
1656                         }
1657
1658                         Hooks::run(
1659                                 'PreferencesFormPreSave',
1660                                 [ $formData, $form, $user, &$result, $oldUserOptions ]
1661                         );
1662                 }
1663
1664                 $user->saveSettings();
1665
1666                 return $result;
1667         }
1668
1669         /**
1670          * Applies filters to preferences either before or after form usage
1671          *
1672          * @param array &$preferences
1673          * @param array $formDescriptor
1674          * @param string $verb Name of the filter method to call, either 'filterFromForm' or
1675          *              'filterForForm'
1676          */
1677         protected function applyFilters( array &$preferences, array $formDescriptor, $verb ) {
1678                 foreach ( $formDescriptor as $preference => $desc ) {
1679                         if ( !isset( $desc['filter'] ) || !isset( $preferences[$preference] ) ) {
1680                                 continue;
1681                         }
1682                         $filterDesc = $desc['filter'];
1683                         if ( $filterDesc instanceof Filter ) {
1684                                 $filter = $filterDesc;
1685                         } elseif ( class_exists( $filterDesc ) ) {
1686                                 $filter = new $filterDesc();
1687                         } elseif ( is_callable( $filterDesc ) ) {
1688                                 $filter = $filterDesc();
1689                         } else {
1690                                 throw new UnexpectedValueException(
1691                                         "Unrecognized filter type for preference '$preference'"
1692                                 );
1693                         }
1694                         $preferences[$preference] = $filter->$verb( $preferences[$preference] );
1695                 }
1696         }
1697
1698         /**
1699          * Save the form data and reload the page
1700          *
1701          * @param array $formData
1702          * @param PreferencesFormOOUI $form
1703          * @param array $formDescriptor
1704          * @return Status
1705          */
1706         protected function submitForm(
1707                 array $formData,
1708                 PreferencesFormOOUI $form,
1709                 array $formDescriptor
1710         ) {
1711                 $res = $this->saveFormData( $formData, $form, $formDescriptor );
1712
1713                 if ( $res === true ) {
1714                         $context = $form->getContext();
1715                         $urlOptions = [];
1716
1717                         if ( $res === 'eauth' ) {
1718                                 $urlOptions['eauth'] = 1;
1719                         }
1720
1721                         $urlOptions += $form->getExtraSuccessRedirectParameters();
1722
1723                         $url = $form->getTitle()->getFullURL( $urlOptions );
1724
1725                         // Set session data for the success message
1726                         $context->getRequest()->getSession()->set( 'specialPreferencesSaveSuccess', 1 );
1727
1728                         $context->getOutput()->redirect( $url );
1729                 }
1730
1731                 return ( $res === true ? Status::newGood() : $res );
1732         }
1733
1734         /**
1735          * Get a list of all time zones
1736          * @param Language $language Language used for the localized names
1737          * @return array A list of all time zones. The system name of the time zone is used as key and
1738          *  the value is an array which contains localized name, the timecorrection value used for
1739          *  preferences and the region
1740          * @since 1.26
1741          */
1742         protected function getTimeZoneList( Language $language ) {
1743                 $identifiers = DateTimeZone::listIdentifiers();
1744                 // @phan-suppress-next-line PhanTypeComparisonFromArray See phan issue #3162
1745                 if ( $identifiers === false ) {
1746                         return [];
1747                 }
1748                 sort( $identifiers );
1749
1750                 $tzRegions = [
1751                         'Africa' => wfMessage( 'timezoneregion-africa' )->inLanguage( $language )->text(),
1752                         'America' => wfMessage( 'timezoneregion-america' )->inLanguage( $language )->text(),
1753                         'Antarctica' => wfMessage( 'timezoneregion-antarctica' )->inLanguage( $language )->text(),
1754                         'Arctic' => wfMessage( 'timezoneregion-arctic' )->inLanguage( $language )->text(),
1755                         'Asia' => wfMessage( 'timezoneregion-asia' )->inLanguage( $language )->text(),
1756                         'Atlantic' => wfMessage( 'timezoneregion-atlantic' )->inLanguage( $language )->text(),
1757                         'Australia' => wfMessage( 'timezoneregion-australia' )->inLanguage( $language )->text(),
1758                         'Europe' => wfMessage( 'timezoneregion-europe' )->inLanguage( $language )->text(),
1759                         'Indian' => wfMessage( 'timezoneregion-indian' )->inLanguage( $language )->text(),
1760                         'Pacific' => wfMessage( 'timezoneregion-pacific' )->inLanguage( $language )->text(),
1761                 ];
1762                 asort( $tzRegions );
1763
1764                 $timeZoneList = [];
1765
1766                 $now = new DateTime();
1767
1768                 foreach ( $identifiers as $identifier ) {
1769                         $parts = explode( '/', $identifier, 2 );
1770
1771                         // DateTimeZone::listIdentifiers() returns a number of
1772                         // backwards-compatibility entries. This filters them out of the
1773                         // list presented to the user.
1774                         if ( count( $parts ) !== 2 || !array_key_exists( $parts[0], $tzRegions ) ) {
1775                                 continue;
1776                         }
1777
1778                         // Localize region
1779                         $parts[0] = $tzRegions[$parts[0]];
1780
1781                         $dateTimeZone = new DateTimeZone( $identifier );
1782                         $minDiff = floor( $dateTimeZone->getOffset( $now ) / 60 );
1783
1784                         $display = str_replace( '_', ' ', $parts[0] . '/' . $parts[1] );
1785                         $value = "ZoneInfo|$minDiff|$identifier";
1786
1787                         $timeZoneList[$identifier] = [
1788                                 'name' => $display,
1789                                 'timecorrection' => $value,
1790                                 'region' => $parts[0],
1791                         ];
1792                 }
1793
1794                 return $timeZoneList;
1795         }
1796 }