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 HtmlArmor;
  30 use HTMLForm;
  31 use HTMLFormField;
  32 use IContextSource;
  33 use Language;
  34 use LanguageCode;
  35 use LanguageConverter;
  36 use MediaWiki\Auth\AuthManager;
  37 use MediaWiki\Auth\PasswordAuthenticationRequest;
  38 use MediaWiki\Linker\LinkRenderer;
  39 use MediaWiki\MediaWikiServices;
  40 use MessageLocalizer;
  41 use MWException;
  42 use MWNamespace;
  43 use MWTimestamp;
  44 use OutputPage;
  45 use Parser;
  46 use ParserOptions;
  47 use PreferencesFormLegacy;
  48 use Psr\Log\LoggerAwareTrait;
  49 use Psr\Log\NullLogger;
  50 use Skin;
  51 use SpecialPage;
  52 use SpecialPreferences;
  53 use Status;
  54 use Title;
  55 use UnexpectedValueException;
  56 use User;
  57 use UserGroupMembership;
  58 use Xml;
  59
  60 /**
  61  * This is the default implementation of PreferencesFactory.
  62  */
  63 class DefaultPreferencesFactory implements PreferencesFactory {
  64         use LoggerAwareTrait;
  65
  66         /** @var Config */
  67         protected $config;
  68
  69         /** @var Language The wiki's content language. */
  70         protected $contLang;
  71
  72         /** @var AuthManager */
  73         protected $authManager;
  74
  75         /** @var LinkRenderer */
  76         protected $linkRenderer;
  77
  78         /**
  79          * @param Config $config
  80          * @param Language $contLang
  81          * @param AuthManager $authManager
  82          * @param LinkRenderer $linkRenderer
  83          */
  84         public function __construct(
  85                 Config $config,
  86                 Language $contLang,
  87                 AuthManager $authManager,
  88                 LinkRenderer $linkRenderer
  89         ) {
  90                 $this->config = $config;
  91                 $this->contLang = $contLang;
  92                 $this->authManager = $authManager;
  93                 $this->linkRenderer = $linkRenderer;
  94                 $this->logger = new NullLogger();
  95         }
  96
  97         /**
  98          * @inheritDoc
  99          */
 100         public function getSaveBlacklist() {
 101                 return [
 102                         'realname',
 103                         'emailaddress',
 104                 ];
 105         }
 106
 107         /**
 108          * @throws MWException
 109          * @param User $user
 110          * @param IContextSource $context
 111          * @return array|null
 112          */
 113         public function getFormDescriptor( User $user, IContextSource $context ) {
 114                 $preferences = [];
 115
 116                 if ( SpecialPreferences::isOouiEnabled( $context ) ) {
 117                         OutputPage::setupOOUI(
 118                                 strtolower( $context->getSkin()->getSkinName() ),
 119                                 $context->getLanguage()->getDir()
 120                         );
 121                 }
 122
 123                 $canIPUseHTTPS = wfCanIPUseHTTPS( $context->getRequest()->getIP() );
 124                 $this->profilePreferences( $user, $context, $preferences, $canIPUseHTTPS );
 125                 $this->skinPreferences( $user, $context, $preferences );
 126                 $this->datetimePreferences( $user, $context, $preferences );
 127                 $this->filesPreferences( $context, $preferences );
 128                 $this->renderingPreferences( $context, $preferences );
 129                 $this->editingPreferences( $user, $context, $preferences );
 130                 $this->rcPreferences( $user, $context, $preferences );
 131                 $this->watchlistPreferences( $user, $context, $preferences );
 132                 $this->searchPreferences( $preferences );
 133
 134                 Hooks::run( 'GetPreferences', [ $user, &$preferences ] );
 135
 136                 $this->loadPreferenceValues( $user, $context, $preferences );
 137                 $this->logger->debug( "Created form descriptor for user '{$user->getName()}'" );
 138                 return $preferences;
 139         }
 140
 141         /**
 142          * Loads existing values for a given array of preferences
 143          * @throws MWException
 144          * @param User $user
 145          * @param IContextSource $context
 146          * @param array &$defaultPreferences Array to load values for
 147          * @return array|null
 148          */
 149         private function loadPreferenceValues(
 150                 User $user, IContextSource $context, &$defaultPreferences
 151         ) {
 152                 # # Remove preferences that wikis don't want to use
 153                 foreach ( $this->config->get( 'HiddenPrefs' ) as $pref ) {
 154                         if ( isset( $defaultPreferences[$pref] ) ) {
 155                                 unset( $defaultPreferences[$pref] );
 156                         }
 157                 }
 158
 159                 # # Make sure that form fields have their parent set. See T43337.
 160                 $dummyForm = new HTMLForm( [], $context );
 161
 162                 $disable = !$user->isAllowed( 'editmyoptions' );
 163
 164                 $defaultOptions = User::getDefaultOptions();
 165                 $userOptions = $user->getOptions();
 166                 $this->applyFilters( $userOptions, $defaultPreferences, 'filterForForm' );
 167                 # # Prod in defaults from the user
 168                 foreach ( $defaultPreferences as $name => &$info ) {
 169                         $prefFromUser = $this->getOptionFromUser( $name, $info, $userOptions );
 170                         if ( $disable && !in_array( $name, $this->getSaveBlacklist() ) ) {
 171                                 $info['disabled'] = 'disabled';
 172                         }
 173                         $field = HTMLForm::loadInputFromParameters( $name, $info, $dummyForm ); // For validation
 174                         $globalDefault = $defaultOptions[$name] ?? null;
 175
 176                         // If it validates, set it as the default
 177                         if ( isset( $info['default'] ) ) {
 178                                 // Already set, no problem
 179                                 continue;
 180                         } elseif ( !is_null( $prefFromUser ) && // Make sure we're not just pulling nothing
 181                                         $field->validate( $prefFromUser, $user->getOptions() ) === true ) {
 182                                 $info['default'] = $prefFromUser;
 183                         } elseif ( $field->validate( $globalDefault, $user->getOptions() ) === true ) {
 184                                 $info['default'] = $globalDefault;
 185                         } else {
 186                                 throw new MWException( "Global default '$globalDefault' is invalid for field $name" );
 187                         }
 188                 }
 189
 190                 return $defaultPreferences;
 191         }
 192
 193         /**
 194          * Pull option from a user account. Handles stuff like array-type preferences.
 195          *
 196          * @param string $name
 197          * @param array $info
 198          * @param array $userOptions
 199          * @return array|string
 200          */
 201         protected function getOptionFromUser( $name, $info, array $userOptions ) {
 202                 $val = $userOptions[$name] ?? null;
 203
 204                 // Handling for multiselect preferences
 205                 if ( ( isset( $info['type'] ) && $info['type'] == 'multiselect' ) ||
 206                                 ( isset( $info['class'] ) && $info['class'] == \HTMLMultiSelectField::class ) ) {
 207                         $options = HTMLFormField::flattenOptions( $info['options'] );
 208                         $prefix = $info['prefix'] ?? $name;
 209                         $val = [];
 210
 211                         foreach ( $options as $value ) {
 212                                 if ( $userOptions["$prefix$value"] ?? false ) {
 213                                         $val[] = $value;
 214                                 }
 215                         }
 216                 }
 217
 218                 // Handling for checkmatrix preferences
 219                 if ( ( isset( $info['type'] ) && $info['type'] == 'checkmatrix' ) ||
 220                                 ( isset( $info['class'] ) && $info['class'] == \HTMLCheckMatrix::class ) ) {
 221                         $columns = HTMLFormField::flattenOptions( $info['columns'] );
 222                         $rows = HTMLFormField::flattenOptions( $info['rows'] );
 223                         $prefix = $info['prefix'] ?? $name;
 224                         $val = [];
 225
 226                         foreach ( $columns as $column ) {
 227                                 foreach ( $rows as $row ) {
 228                                         if ( $userOptions["$prefix$column-$row"] ?? false ) {
 229                                                 $val[] = "$column-$row";
 230                                         }
 231                                 }
 232                         }
 233                 }
 234
 235                 return $val;
 236         }
 237
 238         /**
 239          * @todo Inject user Language instead of using context.
 240          * @param User $user
 241          * @param IContextSource $context
 242          * @param array &$defaultPreferences
 243          * @param bool $canIPUseHTTPS Whether the user's IP is likely to be able to access the wiki
 244          * via HTTPS.
 245          * @return void
 246          */
 247         protected function profilePreferences(
 248                 User $user, IContextSource $context, &$defaultPreferences, $canIPUseHTTPS
 249         ) {
 250                 $oouiEnabled = SpecialPreferences::isOouiEnabled( $context );
 251
 252                 // retrieving user name for GENDER and misc.
 253                 $userName = $user->getName();
 254
 255                 # # User info #####################################
 256                 // Information panel
 257                 $defaultPreferences['username'] = [
 258                         'type' => 'info',
 259                         'label-message' => [ 'username', $userName ],
 260                         'default' => $userName,
 261                         'section' => 'personal/info',
 262                 ];
 263
 264                 $lang = $context->getLanguage();
 265
 266                 # Get groups to which the user belongs
 267                 $userEffectiveGroups = $user->getEffectiveGroups();
 268                 $userGroupMemberships = $user->getGroupMemberships();
 269                 $userGroups = $userMembers = $userTempGroups = $userTempMembers = [];
 270                 foreach ( $userEffectiveGroups as $ueg ) {
 271                         if ( $ueg == '*' ) {
 272                                 // Skip the default * group, seems useless here
 273                                 continue;
 274                         }
 275
 276                         if ( isset( $userGroupMemberships[$ueg] ) ) {
 277                                 $groupStringOrObject = $userGroupMemberships[$ueg];
 278                         } else {
 279                                 $groupStringOrObject = $ueg;
 280                         }
 281
 282                         $userG = UserGroupMembership::getLink( $groupStringOrObject, $context, 'html' );
 283                         $userM = UserGroupMembership::getLink( $groupStringOrObject, $context, 'html',
 284                                 $userName );
 285
 286                         // Store expiring groups separately, so we can place them before non-expiring
 287                         // groups in the list. This is to avoid the ambiguity of something like
 288                         // "administrator, bureaucrat (until X date)" -- users might wonder whether the
 289                         // expiry date applies to both groups, or just the last one
 290                         if ( $groupStringOrObject instanceof UserGroupMembership &&
 291                                 $groupStringOrObject->getExpiry()
 292                         ) {
 293                                 $userTempGroups[] = $userG;
 294                                 $userTempMembers[] = $userM;
 295                         } else {
 296                                 $userGroups[] = $userG;
 297                                 $userMembers[] = $userM;
 298                         }
 299                 }
 300                 sort( $userGroups );
 301                 sort( $userMembers );
 302                 sort( $userTempGroups );
 303                 sort( $userTempMembers );
 304                 $userGroups = array_merge( $userTempGroups, $userGroups );
 305                 $userMembers = array_merge( $userTempMembers, $userMembers );
 306
 307                 $defaultPreferences['usergroups'] = [
 308                         'type' => 'info',
 309                         'label' => $context->msg( 'prefs-memberingroups' )->numParams(
 310                                 count( $userGroups ) )->params( $userName )->parse(),
 311                         'default' => $context->msg( 'prefs-memberingroups-type' )
 312                                 ->rawParams( $lang->commaList( $userGroups ), $lang->commaList( $userMembers ) )
 313                                 ->escaped(),
 314                         'raw' => true,
 315                         'section' => 'personal/info',
 316                 ];
 317
 318                 $contribTitle = SpecialPage::getTitleFor( "Contributions", $userName );
 319                 $formattedEditCount = $lang->formatNum( $user->getEditCount() );
 320                 $editCount = $this->linkRenderer->makeLink( $contribTitle, $formattedEditCount );
 321
 322                 $defaultPreferences['editcount'] = [
 323                         'type' => 'info',
 324                         'raw' => true,
 325                         'label-message' => 'prefs-edits',
 326                         'default' => $editCount,
 327                         'section' => 'personal/info',
 328                 ];
 329
 330                 if ( $user->getRegistration() ) {
 331                         $displayUser = $context->getUser();
 332                         $userRegistration = $user->getRegistration();
 333                         $defaultPreferences['registrationdate'] = [
 334                                 'type' => 'info',
 335                                 'label-message' => 'prefs-registration',
 336                                 'default' => $context->msg(
 337                                         'prefs-registration-date-time',
 338                                         $lang->userTimeAndDate( $userRegistration, $displayUser ),
 339                                         $lang->userDate( $userRegistration, $displayUser ),
 340                                         $lang->userTime( $userRegistration, $displayUser )
 341                                 )->text(),
 342                                 'section' => 'personal/info',
 343                         ];
 344                 }
 345
 346                 $canViewPrivateInfo = $user->isAllowed( 'viewmyprivateinfo' );
 347                 $canEditPrivateInfo = $user->isAllowed( 'editmyprivateinfo' );
 348
 349                 // Actually changeable stuff
 350                 $defaultPreferences['realname'] = [
 351                         // (not really "private", but still shouldn't be edited without permission)
 352                         'type' => $canEditPrivateInfo && $this->authManager->allowsPropertyChange( 'realname' )
 353                                 ? 'text' : 'info',
 354                         'default' => $user->getRealName(),
 355                         'section' => 'personal/info',
 356                         'label-message' => 'yourrealname',
 357                         'help-message' => 'prefs-help-realname',
 358                 ];
 359
 360                 if ( $canEditPrivateInfo && $this->authManager->allowsAuthenticationDataChange(
 361                         new PasswordAuthenticationRequest(), false )->isGood()
 362                 ) {
 363                         if ( $oouiEnabled ) {
 364                                 $link = new \OOUI\ButtonWidget( [
 365                                         'href' => SpecialPage::getTitleFor( 'ChangePassword' )->getLinkURL( [
 366                                                 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText()
 367                                         ] ),
 368                                         'label' => $context->msg( 'prefs-resetpass' )->text(),
 369                                 ] );
 370                         } else {
 371                                 $link = $this->linkRenderer->makeLink( SpecialPage::getTitleFor( 'ChangePassword' ),
 372                                         $context->msg( 'prefs-resetpass' )->text(), [],
 373                                         [ 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText() ] );
 374                         }
 375
 376                         $defaultPreferences['password'] = [
 377                                 'type' => 'info',
 378                                 'raw' => true,
 379                                 'default' => (string)$link,
 380                                 'label-message' => 'yourpassword',
 381                                 'section' => 'personal/info',
 382                         ];
 383                 }
 384                 // Only show prefershttps if secure login is turned on
 385                 if ( $this->config->get( 'SecureLogin' ) && $canIPUseHTTPS ) {
 386                         $defaultPreferences['prefershttps'] = [
 387                                 'type' => 'toggle',
 388                                 'label-message' => 'tog-prefershttps',
 389                                 'help-message' => 'prefs-help-prefershttps',
 390                                 'section' => 'personal/info'
 391                         ];
 392                 }
 393
 394                 // Language
 395                 $languages = Language::fetchLanguageNames( null, 'mwfile' );
 396                 $languageCode = $this->config->get( 'LanguageCode' );
 397                 if ( !array_key_exists( $languageCode, $languages ) ) {
 398                         $languages[$languageCode] = $languageCode;
 399                         // Sort the array again
 400                         ksort( $languages );
 401                 }
 402
 403                 $options = [];
 404                 foreach ( $languages as $code => $name ) {
 405                         $display = LanguageCode::bcp47( $code ) . ' - ' . $name;
 406                         $options[$display] = $code;
 407                 }
 408                 $defaultPreferences['language'] = [
 409                         'type' => 'select',
 410                         'section' => 'personal/i18n',
 411                         'options' => $options,
 412                         'label-message' => 'yourlanguage',
 413                 ];
 414
 415                 $defaultPreferences['gender'] = [
 416                         'type' => 'radio',
 417                         'section' => 'personal/i18n',
 418                         'options' => [
 419                                 $context->msg( 'parentheses' )
 420                                         ->params( $context->msg( 'gender-unknown' )->plain() )
 421                                         ->escaped() => 'unknown',
 422                                 $context->msg( 'gender-female' )->escaped() => 'female',
 423                                 $context->msg( 'gender-male' )->escaped() => 'male',
 424                         ],
 425                         'label-message' => 'yourgender',
 426                         'help-message' => 'prefs-help-gender',
 427                 ];
 428
 429                 // see if there are multiple language variants to choose from
 430                 if ( !$this->config->get( 'DisableLangConversion' ) ) {
 431                         foreach ( LanguageConverter::$languagesWithVariants as $langCode ) {
 432                                 if ( $langCode == $this->contLang->getCode() ) {
 433                                         if ( !$this->contLang->hasVariants() ) {
 434                                                 continue;
 435                                         }
 436
 437                                         $variants = $this->contLang->getVariants();
 438                                         $variantArray = [];
 439                                         foreach ( $variants as $v ) {
 440                                                 $v = str_replace( '_', '-', strtolower( $v ) );
 441                                                 $variantArray[$v] = $lang->getVariantname( $v, false );
 442                                         }
 443
 444                                         $options = [];
 445                                         foreach ( $variantArray as $code => $name ) {
 446                                                 $display = LanguageCode::bcp47( $code ) . ' - ' . $name;
 447                                                 $options[$display] = $code;
 448                                         }
 449
 450                                         $defaultPreferences['variant'] = [
 451                                                 'label-message' => 'yourvariant',
 452                                                 'type' => 'select',
 453                                                 'options' => $options,
 454                                                 'section' => 'personal/i18n',
 455                                                 'help-message' => 'prefs-help-variant',
 456                                         ];
 457                                 } else {
 458                                         $defaultPreferences["variant-$langCode"] = [
 459                                                 'type' => 'api',
 460                                         ];
 461                                 }
 462                         }
 463                 }
 464
 465                 // Stuff from Language::getExtraUserToggles()
 466                 // FIXME is this dead code? $extraUserToggles doesn't seem to be defined for any language
 467                 $toggles = $this->contLang->getExtraUserToggles();
 468
 469                 foreach ( $toggles as $toggle ) {
 470                         $defaultPreferences[$toggle] = [
 471                                 'type' => 'toggle',
 472                                 'section' => 'personal/i18n',
 473                                 'label-message' => "tog-$toggle",
 474                         ];
 475                 }
 476
 477                 // show a preview of the old signature first
 478                 $oldsigWikiText = MediaWikiServices::getInstance()->getParser()->preSaveTransform(
 479                         '~~~',
 480                         $context->getTitle(),
 481                         $user,
 482                         ParserOptions::newFromContext( $context )
 483                 );
 484                 $oldsigHTML = $context->getOutput()->parseInline( $oldsigWikiText, true, true );
 485                 $defaultPreferences['oldsig'] = [
 486                         'type' => 'info',
 487                         'raw' => true,
 488                         'label-message' => 'tog-oldsig',
 489                         'default' => $oldsigHTML,
 490                         'section' => 'personal/signature',
 491                 ];
 492                 $defaultPreferences['nickname'] = [
 493                         'type' => $this->authManager->allowsPropertyChange( 'nickname' ) ? 'text' : 'info',
 494                         'maxlength' => $this->config->get( 'MaxSigChars' ),
 495                         'label-message' => 'yournick',
 496                         'validation-callback' => function ( $signature, $alldata, HTMLForm $form ) {
 497                                 return $this->validateSignature( $signature, $alldata, $form );
 498                         },
 499                         'section' => 'personal/signature',
 500                         'filter-callback' => function ( $signature, array $alldata, HTMLForm $form ) {
 501                                 return $this->cleanSignature( $signature, $alldata, $form );
 502                         },
 503                 ];
 504                 $defaultPreferences['fancysig'] = [
 505                         'type' => 'toggle',
 506                         'label-message' => 'tog-fancysig',
 507                         // show general help about signature at the bottom of the section
 508                         'help-message' => 'prefs-help-signature',
 509                         'section' => 'personal/signature'
 510                 ];
 511
 512                 # # Email stuff
 513
 514                 if ( $this->config->get( 'EnableEmail' ) ) {
 515                         if ( $canViewPrivateInfo ) {
 516                                 $helpMessages[] = $this->config->get( 'EmailConfirmToEdit' )
 517                                                 ? 'prefs-help-email-required'
 518                                                 : 'prefs-help-email';
 519
 520                                 if ( $this->config->get( 'EnableUserEmail' ) ) {
 521                                         // additional messages when users can send email to each other
 522                                         $helpMessages[] = 'prefs-help-email-others';
 523                                 }
 524
 525                                 $emailAddress = $user->getEmail() ? htmlspecialchars( $user->getEmail() ) : '';
 526                                 if ( $canEditPrivateInfo && $this->authManager->allowsPropertyChange( 'emailaddress' ) ) {
 527                                         if ( $oouiEnabled ) {
 528                                                 $link = new \OOUI\ButtonWidget( [
 529                                                         'href' => SpecialPage::getTitleFor( 'ChangeEmail' )->getLinkURL( [
 530                                                                 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText()
 531                                                         ] ),
 532                                                         'label' =>
 533                                                                 $context->msg( $user->getEmail() ? 'prefs-changeemail' : 'prefs-setemail' )->text(),
 534                                                 ] );
 535
 536                                                 $emailAddress .= $emailAddress == '' ? $link : ( '<br />' . $link );
 537                                         } else {
 538                                                 $link = $this->linkRenderer->makeLink(
 539                                                         SpecialPage::getTitleFor( 'ChangeEmail' ),
 540                                                         $context->msg( $user->getEmail() ? 'prefs-changeemail' : 'prefs-setemail' )->text(),
 541                                                         [],
 542                                                         [ 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText() ] );
 543
 544                                                 $emailAddress .= $emailAddress == '' ? $link : (
 545                                                         $context->msg( 'word-separator' )->escaped()
 546                                                         . $context->msg( 'parentheses' )->rawParams( $link )->escaped()
 547                                                 );
 548                                         }
 549                                 }
 550
 551                                 $defaultPreferences['emailaddress'] = [
 552                                         'type' => 'info',
 553                                         'raw' => true,
 554                                         'default' => $emailAddress,
 555                                         'label-message' => 'youremail',
 556                                         'section' => 'personal/email',
 557                                         'help-messages' => $helpMessages,
 558                                         # 'cssclass' chosen below
 559                                 ];
 560                         }
 561
 562                         $disableEmailPrefs = false;
 563
 564                         if ( $this->config->get( 'EmailAuthentication' ) ) {
 565                                 $emailauthenticationclass = 'mw-email-not-authenticated';
 566                                 if ( $user->getEmail() ) {
 567                                         if ( $user->getEmailAuthenticationTimestamp() ) {
 568                                                 // date and time are separate parameters to facilitate localisation.
 569                                                 // $time is kept for backward compat reasons.
 570                                                 // 'emailauthenticated' is also used in SpecialConfirmemail.php
 571                                                 $displayUser = $context->getUser();
 572                                                 $emailTimestamp = $user->getEmailAuthenticationTimestamp();
 573                                                 $time = $lang->userTimeAndDate( $emailTimestamp, $displayUser );
 574                                                 $d = $lang->userDate( $emailTimestamp, $displayUser );
 575                                                 $t = $lang->userTime( $emailTimestamp, $displayUser );
 576                                                 $emailauthenticated = $context->msg( 'emailauthenticated',
 577                                                         $time, $d, $t )->parse() . '<br />';
 578                                                 $disableEmailPrefs = false;
 579                                                 $emailauthenticationclass = 'mw-email-authenticated';
 580                                         } else {
 581                                                 $disableEmailPrefs = true;
 582                                                 if ( $oouiEnabled ) {
 583                                                         $emailauthenticated = $context->msg( 'emailnotauthenticated' )->parse() . '<br />' .
 584                                                                 new \OOUI\ButtonWidget( [
 585                                                                         'href' => SpecialPage::getTitleFor( 'Confirmemail' )->getLinkURL(),
 586                                                                         'label' => $context->msg( 'emailconfirmlink' )->text(),
 587                                                                 ] );
 588                                                 } else {
 589                                                         $emailauthenticated = $context->msg( 'emailnotauthenticated' )->parse() . '<br />' .
 590                                                                 $this->linkRenderer->makeKnownLink(
 591                                                                         SpecialPage::getTitleFor( 'Confirmemail' ),
 592                                                                         $context->msg( 'emailconfirmlink' )->text()
 593                                                                 ) . '<br />';
 594                                                 }
 595                                                 $emailauthenticationclass = "mw-email-not-authenticated";
 596                                         }
 597                                 } else {
 598                                         $disableEmailPrefs = true;
 599                                         $emailauthenticated = $context->msg( 'noemailprefs' )->escaped();
 600                                         $emailauthenticationclass = 'mw-email-none';
 601                                 }
 602
 603                                 if ( $canViewPrivateInfo ) {
 604                                         $defaultPreferences['emailauthentication'] = [
 605                                                 'type' => 'info',
 606                                                 'raw' => true,
 607                                                 'section' => 'personal/email',
 608                                                 'label-message' => 'prefs-emailconfirm-label',
 609                                                 'default' => $emailauthenticated,
 610                                                 # Apply the same CSS class used on the input to the message:
 611                                                 'cssclass' => $emailauthenticationclass,
 612                                         ];
 613                                 }
 614                         }
 615
 616                         if ( $this->config->get( 'EnableUserEmail' ) && $user->isAllowed( 'sendemail' ) ) {
 617                                 $defaultPreferences['disablemail'] = [
 618                                         'id' => 'wpAllowEmail',
 619                                         'type' => 'toggle',
 620                                         'invert' => true,
 621                                         'section' => 'personal/email',
 622                                         'label-message' => 'allowemail',
 623                                         'disabled' => $disableEmailPrefs,
 624                                 ];
 625
 626                                 $defaultPreferences['email-allow-new-users'] = [
 627                                         'id' => 'wpAllowEmailFromNewUsers',
 628                                         'type' => 'toggle',
 629                                         'section' => 'personal/email',
 630                                         'label-message' => 'email-allow-new-users-label',
 631                                         'disabled' => $disableEmailPrefs,
 632                                 ];
 633
 634                                 $defaultPreferences['ccmeonemails'] = [
 635                                         'type' => 'toggle',
 636                                         'section' => 'personal/email',
 637                                         'label-message' => 'tog-ccmeonemails',
 638                                         'disabled' => $disableEmailPrefs,
 639                                 ];
 640
 641                                 if ( $this->config->get( 'EnableUserEmailBlacklist' ) ) {
 642                                         $defaultPreferences['email-blacklist'] = [
 643                                                 'type' => 'usersmultiselect',
 644                                                 'label-message' => 'email-blacklist-label',
 645                                                 'section' => 'personal/email',
 646                                                 'disabled' => $disableEmailPrefs,
 647                                                 'filter' => MultiUsernameFilter::class,
 648                                         ];
 649                                 }
 650                         }
 651
 652                         if ( $this->config->get( 'EnotifWatchlist' ) ) {
 653                                 $defaultPreferences['enotifwatchlistpages'] = [
 654                                         'type' => 'toggle',
 655                                         'section' => 'personal/email',
 656                                         'label-message' => 'tog-enotifwatchlistpages',
 657                                         'disabled' => $disableEmailPrefs,
 658                                 ];
 659                         }
 660                         if ( $this->config->get( 'EnotifUserTalk' ) ) {
 661                                 $defaultPreferences['enotifusertalkpages'] = [
 662                                         'type' => 'toggle',
 663                                         'section' => 'personal/email',
 664                                         'label-message' => 'tog-enotifusertalkpages',
 665                                         'disabled' => $disableEmailPrefs,
 666                                 ];
 667                         }
 668                         if ( $this->config->get( 'EnotifUserTalk' ) || $this->config->get( 'EnotifWatchlist' ) ) {
 669                                 if ( $this->config->get( 'EnotifMinorEdits' ) ) {
 670                                         $defaultPreferences['enotifminoredits'] = [
 671                                                 'type' => 'toggle',
 672                                                 'section' => 'personal/email',
 673                                                 'label-message' => 'tog-enotifminoredits',
 674                                                 'disabled' => $disableEmailPrefs,
 675                                         ];
 676                                 }
 677
 678                                 if ( $this->config->get( 'EnotifRevealEditorAddress' ) ) {
 679                                         $defaultPreferences['enotifrevealaddr'] = [
 680                                                 'type' => 'toggle',
 681                                                 'section' => 'personal/email',
 682                                                 'label-message' => 'tog-enotifrevealaddr',
 683                                                 'disabled' => $disableEmailPrefs,
 684                                         ];
 685                                 }
 686                         }
 687                 }
 688         }
 689
 690         /**
 691          * @param User $user
 692          * @param IContextSource $context
 693          * @param array &$defaultPreferences
 694          * @return void
 695          */
 696         protected function skinPreferences( User $user, IContextSource $context, &$defaultPreferences ) {
 697                 # # Skin #####################################
 698
 699                 // Skin selector, if there is at least one valid skin
 700                 $skinOptions = $this->generateSkinOptions( $user, $context );
 701                 if ( $skinOptions ) {
 702                         $defaultPreferences['skin'] = [
 703                                 'type' => 'radio',
 704                                 'options' => $skinOptions,
 705                                 'section' => 'rendering/skin',
 706                         ];
 707                 }
 708
 709                 $allowUserCss = $this->config->get( 'AllowUserCss' );
 710                 $allowUserJs = $this->config->get( 'AllowUserJs' );
 711                 # Create links to user CSS/JS pages for all skins
 712                 # This code is basically copied from generateSkinOptions().  It'd
 713                 # be nice to somehow merge this back in there to avoid redundancy.
 714                 if ( $allowUserCss || $allowUserJs ) {
 715                         $linkTools = [];
 716                         $userName = $user->getName();
 717
 718                         if ( $allowUserCss ) {
 719                                 $cssPage = Title::makeTitleSafe( NS_USER, $userName . '/common.css' );
 720                                 $cssLinkText = $context->msg( 'prefs-custom-css' )->text();
 721                                 $linkTools[] = $this->linkRenderer->makeLink( $cssPage, $cssLinkText );
 722                         }
 723
 724                         if ( $allowUserJs ) {
 725                                 $jsPage = Title::makeTitleSafe( NS_USER, $userName . '/common.js' );
 726                                 $jsLinkText = $context->msg( 'prefs-custom-js' )->text();
 727                                 $linkTools[] = $this->linkRenderer->makeLink( $jsPage, $jsLinkText );
 728                         }
 729
 730                         $defaultPreferences['commoncssjs'] = [
 731                                 'type' => 'info',
 732                                 'raw' => true,
 733                                 'default' => $context->getLanguage()->pipeList( $linkTools ),
 734                                 'label-message' => 'prefs-common-config',
 735                                 'section' => 'rendering/skin',
 736                         ];
 737                 }
 738         }
 739
 740         /**
 741          * @param IContextSource $context
 742          * @param array &$defaultPreferences
 743          */
 744         protected function filesPreferences( IContextSource $context, &$defaultPreferences ) {
 745                 # # Files #####################################
 746                 $defaultPreferences['imagesize'] = [
 747                         'type' => 'select',
 748                         'options' => $this->getImageSizes( $context ),
 749                         'label-message' => 'imagemaxsize',
 750                         'section' => 'rendering/files',
 751                 ];
 752                 $defaultPreferences['thumbsize'] = [
 753                         'type' => 'select',
 754                         'options' => $this->getThumbSizes( $context ),
 755                         'label-message' => 'thumbsize',
 756                         'section' => 'rendering/files',
 757                 ];
 758         }
 759
 760         /**
 761          * @param User $user
 762          * @param IContextSource $context
 763          * @param array &$defaultPreferences
 764          * @return void
 765          */
 766         protected function datetimePreferences( $user, IContextSource $context, &$defaultPreferences ) {
 767                 # # Date and time #####################################
 768                 $dateOptions = $this->getDateOptions( $context );
 769                 if ( $dateOptions ) {
 770                         $defaultPreferences['date'] = [
 771                                 'type' => 'radio',
 772                                 'options' => $dateOptions,
 773                                 'section' => 'rendering/dateformat',
 774                         ];
 775                 }
 776
 777                 // Info
 778                 $now = wfTimestampNow();
 779                 $lang = $context->getLanguage();
 780                 $nowlocal = Xml::element( 'span', [ 'id' => 'wpLocalTime' ],
 781                         $lang->userTime( $now, $user ) );
 782                 $nowserver = $lang->userTime( $now, $user,
 783                                 [ 'format' => false, 'timecorrection' => false ] ) .
 784                         Html::hidden( 'wpServerTime', (int)substr( $now, 8, 2 ) * 60 + (int)substr( $now, 10, 2 ) );
 785
 786                 $defaultPreferences['nowserver'] = [
 787                         'type' => 'info',
 788                         'raw' => 1,
 789                         'label-message' => 'servertime',
 790                         'default' => $nowserver,
 791                         'section' => 'rendering/timeoffset',
 792                 ];
 793
 794                 $defaultPreferences['nowlocal'] = [
 795                         'type' => 'info',
 796                         'raw' => 1,
 797                         'label-message' => 'localtime',
 798                         'default' => $nowlocal,
 799                         'section' => 'rendering/timeoffset',
 800                 ];
 801
 802                 // Grab existing pref.
 803                 $tzOffset = $user->getOption( 'timecorrection' );
 804                 $tz = explode( '|', $tzOffset, 3 );
 805
 806                 $tzOptions = $this->getTimezoneOptions( $context );
 807
 808                 $tzSetting = $tzOffset;
 809                 if ( count( $tz ) > 1 && $tz[0] == 'ZoneInfo' &&
 810                         !in_array( $tzOffset, HTMLFormField::flattenOptions( $tzOptions ) )
 811                 ) {
 812                         // Timezone offset can vary with DST
 813                         try {
 814                                 $userTZ = new DateTimeZone( $tz[2] );
 815                                 $minDiff = floor( $userTZ->getOffset( new DateTime( 'now' ) ) / 60 );
 816                                 $tzSetting = "ZoneInfo|$minDiff|{$tz[2]}";
 817                         } catch ( Exception $e ) {
 818                                 // User has an invalid time zone set. Fall back to just using the offset
 819                                 $tz[0] = 'Offset';
 820                         }
 821                 }
 822                 if ( count( $tz ) > 1 && $tz[0] == 'Offset' ) {
 823                         $minDiff = $tz[1];
 824                         $tzSetting = sprintf( '%+03d:%02d', floor( $minDiff / 60 ), abs( $minDiff ) % 60 );
 825                 }
 826
 827                 $defaultPreferences['timecorrection'] = [
 828                         'class' => \HTMLSelectOrOtherField::class,
 829                         'label-message' => 'timezonelegend',
 830                         'options' => $tzOptions,
 831                         'default' => $tzSetting,
 832                         'size' => 20,
 833                         'section' => 'rendering/timeoffset',
 834                         'id' => 'wpTimeCorrection',
 835                         'filter' => TimezoneFilter::class,
 836                 ];
 837         }
 838
 839         /**
 840          * @param MessageLocalizer $l10n
 841          * @param array &$defaultPreferences
 842          */
 843         protected function renderingPreferences( MessageLocalizer $l10n, &$defaultPreferences ) {
 844                 # # Diffs ####################################
 845                 $defaultPreferences['diffonly'] = [
 846                         'type' => 'toggle',
 847                         'section' => 'rendering/diffs',
 848                         'label-message' => 'tog-diffonly',
 849                 ];
 850                 $defaultPreferences['norollbackdiff'] = [
 851                         'type' => 'toggle',
 852                         'section' => 'rendering/diffs',
 853                         'label-message' => 'tog-norollbackdiff',
 854                 ];
 855
 856                 # # Page Rendering ##############################
 857                 if ( $this->config->get( 'AllowUserCssPrefs' ) ) {
 858                         $defaultPreferences['underline'] = [
 859                                 'type' => 'select',
 860                                 'options' => [
 861                                         $l10n->msg( 'underline-never' )->text() => 0,
 862                                         $l10n->msg( 'underline-always' )->text() => 1,
 863                                         $l10n->msg( 'underline-default' )->text() => 2,
 864                                 ],
 865                                 'label-message' => 'tog-underline',
 866                                 'section' => 'rendering/advancedrendering',
 867                         ];
 868                 }
 869
 870                 $stubThresholdValues = [ 50, 100, 500, 1000, 2000, 5000, 10000 ];
 871                 $stubThresholdOptions = [ $l10n->msg( 'stub-threshold-disabled' )->text() => 0 ];
 872                 foreach ( $stubThresholdValues as $value ) {
 873                         $stubThresholdOptions[$l10n->msg( 'size-bytes', $value )->text()] = $value;
 874                 }
 875
 876                 $defaultPreferences['stubthreshold'] = [
 877                         'type' => 'select',
 878                         'section' => 'rendering/advancedrendering',
 879                         'options' => $stubThresholdOptions,
 880                         // This is not a raw HTML message; label-raw is needed for the manual <a></a>
 881                         'label-raw' => $l10n->msg( 'stub-threshold' )->rawParams(
 882                                 '<a href="#" class="stub">' .
 883                                 $l10n->msg( 'stub-threshold-sample-link' )->parse() .
 884                                 '</a>' )->parse(),
 885                 ];
 886
 887                 $defaultPreferences['showhiddencats'] = [
 888                         'type' => 'toggle',
 889                         'section' => 'rendering/advancedrendering',
 890                         'label-message' => 'tog-showhiddencats'
 891                 ];
 892
 893                 $defaultPreferences['numberheadings'] = [
 894                         'type' => 'toggle',
 895                         'section' => 'rendering/advancedrendering',
 896                         'label-message' => 'tog-numberheadings',
 897                 ];
 898         }
 899
 900         /**
 901          * @param User $user
 902          * @param MessageLocalizer $l10n
 903          * @param array &$defaultPreferences
 904          */
 905         protected function editingPreferences( User $user, MessageLocalizer $l10n, &$defaultPreferences ) {
 906                 # # Editing #####################################
 907                 $defaultPreferences['editsectiononrightclick'] = [
 908                         'type' => 'toggle',
 909                         'section' => 'editing/advancedediting',
 910                         'label-message' => 'tog-editsectiononrightclick',
 911                 ];
 912                 $defaultPreferences['editondblclick'] = [
 913                         'type' => 'toggle',
 914                         'section' => 'editing/advancedediting',
 915                         'label-message' => 'tog-editondblclick',
 916                 ];
 917
 918                 if ( $this->config->get( 'AllowUserCssPrefs' ) ) {
 919                         $defaultPreferences['editfont'] = [
 920                                 'type' => 'select',
 921                                 'section' => 'editing/editor',
 922                                 'label-message' => 'editfont-style',
 923                                 'options' => [
 924                                         $l10n->msg( 'editfont-monospace' )->text() => 'monospace',
 925                                         $l10n->msg( 'editfont-sansserif' )->text() => 'sans-serif',
 926                                         $l10n->msg( 'editfont-serif' )->text() => 'serif',
 927                                 ]
 928                         ];
 929                 }
 930
 931                 if ( $user->isAllowed( 'minoredit' ) ) {
 932                         $defaultPreferences['minordefault'] = [
 933                                 'type' => 'toggle',
 934                                 'section' => 'editing/editor',
 935                                 'label-message' => 'tog-minordefault',
 936                         ];
 937                 }
 938
 939                 $defaultPreferences['forceeditsummary'] = [
 940                         'type' => 'toggle',
 941                         'section' => 'editing/editor',
 942                         'label-message' => 'tog-forceeditsummary',
 943                 ];
 944                 $defaultPreferences['useeditwarning'] = [
 945                         'type' => 'toggle',
 946                         'section' => 'editing/editor',
 947                         'label-message' => 'tog-useeditwarning',
 948                 ];
 949                 $defaultPreferences['showtoolbar'] = [
 950                         'type' => 'toggle',
 951                         'section' => 'editing/editor',
 952                         'label-message' => 'tog-showtoolbar',
 953                 ];
 954
 955                 $defaultPreferences['previewonfirst'] = [
 956                         'type' => 'toggle',
 957                         'section' => 'editing/preview',
 958                         'label-message' => 'tog-previewonfirst',
 959                 ];
 960                 $defaultPreferences['previewontop'] = [
 961                         'type' => 'toggle',
 962                         'section' => 'editing/preview',
 963                         'label-message' => 'tog-previewontop',
 964                 ];
 965                 $defaultPreferences['uselivepreview'] = [
 966                         'type' => 'toggle',
 967                         'section' => 'editing/preview',
 968                         'label-message' => 'tog-uselivepreview',
 969                 ];
 970         }
 971
 972         /**
 973          * @param User $user
 974          * @param MessageLocalizer $l10n
 975          * @param array &$defaultPreferences
 976          */
 977         protected function rcPreferences( User $user, MessageLocalizer $l10n, &$defaultPreferences ) {
 978                 $rcMaxAge = $this->config->get( 'RCMaxAge' );
 979                 # # RecentChanges #####################################
 980                 $defaultPreferences['rcdays'] = [
 981                         'type' => 'float',
 982                         'label-message' => 'recentchangesdays',
 983                         'section' => 'rc/displayrc',
 984                         'min' => 1 / 24,
 985                         'max' => ceil( $rcMaxAge / ( 3600 * 24 ) ),
 986                         'help' => $l10n->msg( 'recentchangesdays-max' )->numParams(
 987                                 ceil( $rcMaxAge / ( 3600 * 24 ) ) )->escaped()
 988                 ];
 989                 $defaultPreferences['rclimit'] = [
 990                         'type' => 'int',
 991                         'min' => 1,
 992                         'max' => 1000,
 993                         'label-message' => 'recentchangescount',
 994                         'help-message' => 'prefs-help-recentchangescount',
 995                         'section' => 'rc/displayrc',
 996                         'filter' => IntvalFilter::class,
 997                 ];
 998                 $defaultPreferences['usenewrc'] = [
 999                         'type' => 'toggle',
1000                         'label-message' => 'tog-usenewrc',
1001                         'section' => 'rc/advancedrc',
1002                 ];
1003                 $defaultPreferences['hideminor'] = [
1004                         'type' => 'toggle',
1005                         'label-message' => 'tog-hideminor',
1006                         'section' => 'rc/advancedrc',
1007                 ];
1008                 $defaultPreferences['rcfilters-rc-collapsed'] = [
1009                         'type' => 'api',
1010                 ];
1011                 $defaultPreferences['rcfilters-wl-collapsed'] = [
1012                         'type' => 'api',
1013                 ];
1014                 $defaultPreferences['rcfilters-saved-queries'] = [
1015                         'type' => 'api',
1016                 ];
1017                 $defaultPreferences['rcfilters-wl-saved-queries'] = [
1018                         'type' => 'api',
1019                 ];
1020                 // Override RCFilters preferences for RecentChanges 'limit'
1021                 $defaultPreferences['rcfilters-limit'] = [
1022                         'type' => 'api',
1023                 ];
1024                 $defaultPreferences['rcfilters-saved-queries-versionbackup'] = [
1025                         'type' => 'api',
1026                 ];
1027                 $defaultPreferences['rcfilters-wl-saved-queries-versionbackup'] = [
1028                         'type' => 'api',
1029                 ];
1030
1031                 if ( $this->config->get( 'RCWatchCategoryMembership' ) ) {
1032                         $defaultPreferences['hidecategorization'] = [
1033                                 'type' => 'toggle',
1034                                 'label-message' => 'tog-hidecategorization',
1035                                 'section' => 'rc/advancedrc',
1036                         ];
1037                 }
1038
1039                 if ( $user->useRCPatrol() ) {
1040                         $defaultPreferences['hidepatrolled'] = [
1041                                 'type' => 'toggle',
1042                                 'section' => 'rc/advancedrc',
1043                                 'label-message' => 'tog-hidepatrolled',
1044                         ];
1045                 }
1046
1047                 if ( $user->useNPPatrol() ) {
1048                         $defaultPreferences['newpageshidepatrolled'] = [
1049                                 'type' => 'toggle',
1050                                 'section' => 'rc/advancedrc',
1051                                 'label-message' => 'tog-newpageshidepatrolled',
1052                         ];
1053                 }
1054
1055                 if ( $this->config->get( 'RCShowWatchingUsers' ) ) {
1056                         $defaultPreferences['shownumberswatching'] = [
1057                                 'type' => 'toggle',
1058                                 'section' => 'rc/advancedrc',
1059                                 'label-message' => 'tog-shownumberswatching',
1060                         ];
1061                 }
1062
1063                 if ( $this->config->get( 'StructuredChangeFiltersShowPreference' ) ) {
1064                         $defaultPreferences['rcenhancedfilters-disable'] = [
1065                                 'type' => 'toggle',
1066                                 'section' => 'rc/optoutrc',
1067                                 'label-message' => 'rcfilters-preference-label',
1068                                 'help-message' => 'rcfilters-preference-help',
1069                         ];
1070                 }
1071         }
1072
1073         /**
1074          * @param User $user
1075          * @param IContextSource $context
1076          * @param array &$defaultPreferences
1077          */
1078         protected function watchlistPreferences(
1079                 User $user, IContextSource $context, &$defaultPreferences
1080         ) {
1081                 $oouiEnabled = SpecialPreferences::isOouiEnabled( $context );
1082
1083                 $watchlistdaysMax = ceil( $this->config->get( 'RCMaxAge' ) / ( 3600 * 24 ) );
1084
1085                 # # Watchlist #####################################
1086                 if ( $user->isAllowed( 'editmywatchlist' ) ) {
1087                         $editWatchlistLinks = '';
1088                         $editWatchlistLinksOld = [];
1089                         $editWatchlistModes = [
1090                                 'edit' => [ 'subpage' => false, 'flags' => [] ],
1091                                 'raw' => [ 'subpage' => 'raw', 'flags' => [] ],
1092                                 'clear' => [ 'subpage' => 'clear', 'flags' => [ 'destructive' ] ],
1093                         ];
1094                         foreach ( $editWatchlistModes as $mode => $options ) {
1095                                 // Messages: prefs-editwatchlist-edit, prefs-editwatchlist-raw, prefs-editwatchlist-clear
1096                                 if ( $oouiEnabled ) {
1097                                         $editWatchlistLinks .=
1098                                                 new \OOUI\ButtonWidget( [
1099                                                         'href' => SpecialPage::getTitleFor( 'EditWatchlist', $options['subpage'] )->getLinkURL(),
1100                                                         'flags' => $options[ 'flags' ],
1101                                                         'label' => new \OOUI\HtmlSnippet(
1102                                                                 $context->msg( "prefs-editwatchlist-{$mode}" )->parse()
1103                                                         ),
1104                                                 ] );
1105                                 } else {
1106                                         $editWatchlistLinksOld[] = $this->linkRenderer->makeKnownLink(
1107                                                 SpecialPage::getTitleFor( 'EditWatchlist', $options['subpage'] ),
1108                                                 new HtmlArmor( $context->msg( "prefs-editwatchlist-{$mode}" )->parse() )
1109                                         );
1110                                 }
1111                         }
1112
1113                         $defaultPreferences['editwatchlist'] = [
1114                                 'type' => 'info',
1115                                 'raw' => true,
1116                                 'default' => $oouiEnabled ?
1117                                         $editWatchlistLinks :
1118                                         $context->getLanguage()->pipeList( $editWatchlistLinksOld ),
1119                                 'label-message' => 'prefs-editwatchlist-label',
1120                                 'section' => 'watchlist/editwatchlist',
1121                         ];
1122                 }
1123
1124                 $defaultPreferences['watchlistdays'] = [
1125                         'type' => 'float',
1126                         'min' => 1 / 24,
1127                         'max' => $watchlistdaysMax,
1128                         'section' => 'watchlist/displaywatchlist',
1129                         'help' => $context->msg( 'prefs-watchlist-days-max' )->numParams(
1130                                 $watchlistdaysMax )->escaped(),
1131                         'label-message' => 'prefs-watchlist-days',
1132                 ];
1133                 $defaultPreferences['wllimit'] = [
1134                         'type' => 'int',
1135                         'min' => 1,
1136                         'max' => 1000,
1137                         'label-message' => 'prefs-watchlist-edits',
1138                         'help' => $context->msg( 'prefs-watchlist-edits-max' )->escaped(),
1139                         'section' => 'watchlist/displaywatchlist',
1140                         'filter' => IntvalFilter::class,
1141                 ];
1142                 $defaultPreferences['extendwatchlist'] = [
1143                         'type' => 'toggle',
1144                         'section' => 'watchlist/advancedwatchlist',
1145                         'label-message' => 'tog-extendwatchlist',
1146                 ];
1147                 $defaultPreferences['watchlisthideminor'] = [
1148                         'type' => 'toggle',
1149                         'section' => 'watchlist/advancedwatchlist',
1150                         'label-message' => 'tog-watchlisthideminor',
1151                 ];
1152                 $defaultPreferences['watchlisthidebots'] = [
1153                         'type' => 'toggle',
1154                         'section' => 'watchlist/advancedwatchlist',
1155                         'label-message' => 'tog-watchlisthidebots',
1156                 ];
1157                 $defaultPreferences['watchlisthideown'] = [
1158                         'type' => 'toggle',
1159                         'section' => 'watchlist/advancedwatchlist',
1160                         'label-message' => 'tog-watchlisthideown',
1161                 ];
1162                 $defaultPreferences['watchlisthideanons'] = [
1163                         'type' => 'toggle',
1164                         'section' => 'watchlist/advancedwatchlist',
1165                         'label-message' => 'tog-watchlisthideanons',
1166                 ];
1167                 $defaultPreferences['watchlisthideliu'] = [
1168                         'type' => 'toggle',
1169                         'section' => 'watchlist/advancedwatchlist',
1170                         'label-message' => 'tog-watchlisthideliu',
1171                 ];
1172
1173                 if ( !\SpecialWatchlist::checkStructuredFilterUiEnabled(
1174                         $this->config,
1175                         $user
1176                 ) ) {
1177                         $defaultPreferences['watchlistreloadautomatically'] = [
1178                                 'type' => 'toggle',
1179                                 'section' => 'watchlist/advancedwatchlist',
1180                                 'label-message' => 'tog-watchlistreloadautomatically',
1181                         ];
1182                 }
1183
1184                 $defaultPreferences['watchlistunwatchlinks'] = [
1185                         'type' => 'toggle',
1186                         'section' => 'watchlist/advancedwatchlist',
1187                         'label-message' => 'tog-watchlistunwatchlinks',
1188                 ];
1189
1190                 if ( $this->config->get( 'RCWatchCategoryMembership' ) ) {
1191                         $defaultPreferences['watchlisthidecategorization'] = [
1192                                 'type' => 'toggle',
1193                                 'section' => 'watchlist/advancedwatchlist',
1194                                 'label-message' => 'tog-watchlisthidecategorization',
1195                         ];
1196                 }
1197
1198                 if ( $user->useRCPatrol() ) {
1199                         $defaultPreferences['watchlisthidepatrolled'] = [
1200                                 'type' => 'toggle',
1201                                 'section' => 'watchlist/advancedwatchlist',
1202                                 'label-message' => 'tog-watchlisthidepatrolled',
1203                         ];
1204                 }
1205
1206                 $watchTypes = [
1207                         'edit' => 'watchdefault',
1208                         'move' => 'watchmoves',
1209                         'delete' => 'watchdeletion'
1210                 ];
1211
1212                 // Kinda hacky
1213                 if ( $user->isAllowed( 'createpage' ) || $user->isAllowed( 'createtalk' ) ) {
1214                         $watchTypes['read'] = 'watchcreations';
1215                 }
1216
1217                 if ( $user->isAllowed( 'rollback' ) ) {
1218                         $watchTypes['rollback'] = 'watchrollback';
1219                 }
1220
1221                 if ( $user->isAllowed( 'upload' ) ) {
1222                         $watchTypes['upload'] = 'watchuploads';
1223                 }
1224
1225                 foreach ( $watchTypes as $action => $pref ) {
1226                         if ( $user->isAllowed( $action ) ) {
1227                                 // Messages:
1228                                 // tog-watchdefault, tog-watchmoves, tog-watchdeletion, tog-watchcreations, tog-watchuploads
1229                                 // tog-watchrollback
1230                                 $defaultPreferences[$pref] = [
1231                                         'type' => 'toggle',
1232                                         'section' => 'watchlist/advancedwatchlist',
1233                                         'label-message' => "tog-$pref",
1234                                 ];
1235                         }
1236                 }
1237
1238                 $defaultPreferences['watchlisttoken'] = [
1239                         'type' => 'api',
1240                 ];
1241
1242                 if ( $oouiEnabled ) {
1243                         $tokenButton = new \OOUI\ButtonWidget( [
1244                                 'href' => SpecialPage::getTitleFor( 'ResetTokens' )->getLinkURL( [
1245                                         'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText()
1246                                 ] ),
1247                                 'label' => $context->msg( 'prefs-watchlist-managetokens' )->text(),
1248                         ] );
1249                         $defaultPreferences['watchlisttoken-info'] = [
1250                                 'type' => 'info',
1251                                 'section' => 'watchlist/tokenwatchlist',
1252                                 'label-message' => 'prefs-watchlist-token',
1253                                 'help-message' => 'prefs-help-tokenmanagement',
1254                                 'raw' => true,
1255                                 'default' => (string)$tokenButton,
1256                         ];
1257                 } else {
1258                         $defaultPreferences['watchlisttoken-info'] = [
1259                                 'type' => 'info',
1260                                 'section' => 'watchlist/tokenwatchlist',
1261                                 'label-message' => 'prefs-watchlist-token',
1262                                 'default' => $user->getTokenFromOption( 'watchlisttoken' ),
1263                                 'help-message' => 'prefs-help-watchlist-token2',
1264                         ];
1265                 }
1266
1267                 if ( $this->config->get( 'StructuredChangeFiltersShowWatchlistPreference' ) ) {
1268                         $defaultPreferences['wlenhancedfilters-disable'] = [
1269                                 'type' => 'toggle',
1270                                 'section' => 'watchlist/optoutwatchlist',
1271                                 'label-message' => 'rcfilters-watchlist-preference-label',
1272                                 'help-message' => 'rcfilters-watchlist-preference-help',
1273                         ];
1274                 }
1275         }
1276
1277         /**
1278          * @param array &$defaultPreferences
1279          */
1280         protected function searchPreferences( &$defaultPreferences ) {
1281                 foreach ( MWNamespace::getValidNamespaces() as $n ) {
1282                         $defaultPreferences['searchNs' . $n] = [
1283                                 'type' => 'api',
1284                         ];
1285                 }
1286         }
1287
1288         /**
1289          * @param User $user The User object
1290          * @param IContextSource $context
1291          * @return array Text/links to display as key; $skinkey as value
1292          */
1293         protected function generateSkinOptions( User $user, IContextSource $context ) {
1294                 $ret = [];
1295
1296                 $mptitle = Title::newMainPage();
1297                 $previewtext = $context->msg( 'skin-preview' )->escaped();
1298
1299                 # Only show skins that aren't disabled in $wgSkipSkins
1300                 $validSkinNames = Skin::getAllowedSkins();
1301
1302                 foreach ( $validSkinNames as $skinkey => &$skinname ) {
1303                         $msg = $context->msg( "skinname-{$skinkey}" );
1304                         if ( $msg->exists() ) {
1305                                 $skinname = htmlspecialchars( $msg->text() );
1306                         }
1307                 }
1308
1309                 $defaultSkin = $this->config->get( 'DefaultSkin' );
1310                 $allowUserCss = $this->config->get( 'AllowUserCss' );
1311                 $allowUserJs = $this->config->get( 'AllowUserJs' );
1312
1313                 # Sort by the internal name, so that the ordering is the same for each display language,
1314                 # especially if some skin names are translated to use a different alphabet and some are not.
1315                 uksort( $validSkinNames, function ( $a, $b ) use ( $defaultSkin ) {
1316                         # Display the default first in the list by comparing it as lesser than any other.
1317                         if ( strcasecmp( $a, $defaultSkin ) === 0 ) {
1318                                 return -1;
1319                         }
1320                         if ( strcasecmp( $b, $defaultSkin ) === 0 ) {
1321                                 return 1;
1322                         }
1323                         return strcasecmp( $a, $b );
1324                 } );
1325
1326                 $foundDefault = false;
1327                 foreach ( $validSkinNames as $skinkey => $sn ) {
1328                         $linkTools = [];
1329
1330                         # Mark the default skin
1331                         if ( strcasecmp( $skinkey, $defaultSkin ) === 0 ) {
1332                                 $linkTools[] = $context->msg( 'default' )->escaped();
1333                                 $foundDefault = true;
1334                         }
1335
1336                         # Create preview link
1337                         $mplink = htmlspecialchars( $mptitle->getLocalURL( [ 'useskin' => $skinkey ] ) );
1338                         $linkTools[] = "<a target='_blank' href=\"$mplink\">$previewtext</a>";
1339
1340                         # Create links to user CSS/JS pages
1341                         if ( $allowUserCss ) {
1342                                 $cssPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/' . $skinkey . '.css' );
1343                                 $cssLinkText = $context->msg( 'prefs-custom-css' )->text();
1344                                 $linkTools[] = $this->linkRenderer->makeLink( $cssPage, $cssLinkText );
1345                         }
1346
1347                         if ( $allowUserJs ) {
1348                                 $jsPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/' . $skinkey . '.js' );
1349                                 $jsLinkText = $context->msg( 'prefs-custom-js' )->text();
1350                                 $linkTools[] = $this->linkRenderer->makeLink( $jsPage, $jsLinkText );
1351                         }
1352
1353                         $display = $sn . ' ' . $context->msg( 'parentheses' )
1354                                 ->rawParams( $context->getLanguage()->pipeList( $linkTools ) )
1355                                 ->escaped();
1356                         $ret[$display] = $skinkey;
1357                 }
1358
1359                 if ( !$foundDefault ) {
1360                         // If the default skin is not available, things are going to break horribly because the
1361                         // default value for skin selector will not be a valid value. Let's just not show it then.
1362                         return [];
1363                 }
1364
1365                 return $ret;
1366         }
1367
1368         /**
1369          * @param IContextSource $context
1370          * @return array
1371          */
1372         protected function getDateOptions( IContextSource $context ) {
1373                 $lang = $context->getLanguage();
1374                 $dateopts = $lang->getDatePreferences();
1375
1376                 $ret = [];
1377
1378                 if ( $dateopts ) {
1379                         if ( !in_array( 'default', $dateopts ) ) {
1380                                 $dateopts[] = 'default'; // Make sure default is always valid T21237
1381                         }
1382
1383                         // FIXME KLUGE: site default might not be valid for user language
1384                         global $wgDefaultUserOptions;
1385                         if ( !in_array( $wgDefaultUserOptions['date'], $dateopts ) ) {
1386                                 $wgDefaultUserOptions['date'] = 'default';
1387                         }
1388
1389                         $epoch = wfTimestampNow();
1390                         foreach ( $dateopts as $key ) {
1391                                 if ( $key == 'default' ) {
1392                                         $formatted = $context->msg( 'datedefault' )->escaped();
1393                                 } else {
1394                                         $formatted = htmlspecialchars( $lang->timeanddate( $epoch, false, $key ) );
1395                                 }
1396                                 $ret[$formatted] = $key;
1397                         }
1398                 }
1399                 return $ret;
1400         }
1401
1402         /**
1403          * @param MessageLocalizer $l10n
1404          * @return array
1405          */
1406         protected function getImageSizes( MessageLocalizer $l10n ) {
1407                 $ret = [];
1408                 $pixels = $l10n->msg( 'unit-pixel' )->text();
1409
1410                 foreach ( $this->config->get( 'ImageLimits' ) as $index => $limits ) {
1411                         // Note: A left-to-right marker (U+200E) is inserted, see T144386
1412                         $display = "{$limits[0]}\u{200E}×{$limits[1]}$pixels";
1413                         $ret[$display] = $index;
1414                 }
1415
1416                 return $ret;
1417         }
1418
1419         /**
1420          * @param MessageLocalizer $l10n
1421          * @return array
1422          */
1423         protected function getThumbSizes( MessageLocalizer $l10n ) {
1424                 $ret = [];
1425                 $pixels = $l10n->msg( 'unit-pixel' )->text();
1426
1427                 foreach ( $this->config->get( 'ThumbLimits' ) as $index => $size ) {
1428                         $display = $size . $pixels;
1429                         $ret[$display] = $index;
1430                 }
1431
1432                 return $ret;
1433         }
1434
1435         /**
1436          * @param string $signature
1437          * @param array $alldata
1438          * @param HTMLForm $form
1439          * @return bool|string
1440          */
1441         protected function validateSignature( $signature, $alldata, HTMLForm $form ) {
1442                 $maxSigChars = $this->config->get( 'MaxSigChars' );
1443                 if ( mb_strlen( $signature ) > $maxSigChars ) {
1444                         return Xml::element( 'span', [ 'class' => 'error' ],
1445                                 $form->msg( 'badsiglength' )->numParams( $maxSigChars )->text() );
1446                 } elseif ( isset( $alldata['fancysig'] ) &&
1447                                 $alldata['fancysig'] &&
1448                                 MediaWikiServices::getInstance()->getParser()->validateSig( $signature ) === false
1449                 ) {
1450                         return Xml::element(
1451                                 'span',
1452                                 [ 'class' => 'error' ],
1453                                 $form->msg( 'badsig' )->text()
1454                         );
1455                 } else {
1456                         return true;
1457                 }
1458         }
1459
1460         /**
1461          * @param string $signature
1462          * @param array $alldata
1463          * @param HTMLForm $form
1464          * @return string
1465          */
1466         protected function cleanSignature( $signature, $alldata, HTMLForm $form ) {
1467                 $parser = MediaWikiServices::getInstance()->getParser();
1468                 if ( isset( $alldata['fancysig'] ) && $alldata['fancysig'] ) {
1469                         $signature = $parser->cleanSig( $signature );
1470                 } else {
1471                         // When no fancy sig used, make sure ~{3,5} get removed.
1472                         $signature = Parser::cleanSigInSig( $signature );
1473                 }
1474
1475                 return $signature;
1476         }
1477
1478         /**
1479          * @param User $user
1480          * @param IContextSource $context
1481          * @param string $formClass
1482          * @param array $remove Array of items to remove
1483          * @return HTMLForm
1484          */
1485         public function getForm(
1486                 User $user,
1487                 IContextSource $context,
1488                 $formClass = PreferencesFormLegacy::class,
1489                 array $remove = []
1490         ) {
1491                 if ( SpecialPreferences::isOouiEnabled( $context ) ) {
1492                         // We use ButtonWidgets in some of the getPreferences() functions
1493                         $context->getOutput()->enableOOUI();
1494                 }
1495
1496                 $formDescriptor = $this->getFormDescriptor( $user, $context );
1497                 if ( count( $remove ) ) {
1498                         $removeKeys = array_flip( $remove );
1499                         $formDescriptor = array_diff_key( $formDescriptor, $removeKeys );
1500                 }
1501
1502                 // Remove type=api preferences. They are not intended for rendering in the form.
1503                 foreach ( $formDescriptor as $name => $info ) {
1504                         if ( isset( $info['type'] ) && $info['type'] === 'api' ) {
1505                                 unset( $formDescriptor[$name] );
1506                         }
1507                 }
1508
1509                 /**
1510                  * @var $htmlForm HTMLForm
1511                  */
1512                 $htmlForm = new $formClass( $formDescriptor, $context, 'prefs' );
1513
1514                 $htmlForm->setModifiedUser( $user );
1515                 $htmlForm->setId( 'mw-prefs-form' );
1516                 $htmlForm->setAutocomplete( 'off' );
1517                 $htmlForm->setSubmitText( $context->msg( 'saveprefs' )->text() );
1518                 # Used message keys: 'accesskey-preferences-save', 'tooltip-preferences-save'
1519                 $htmlForm->setSubmitTooltip( 'preferences-save' );
1520                 $htmlForm->setSubmitID( 'prefcontrol' );
1521                 $htmlForm->setSubmitCallback(
1522                         function ( array $formData, HTMLForm $form ) use ( $formDescriptor ) {
1523                                 return $this->submitForm( $formData, $form, $formDescriptor );
1524                         }
1525                 );
1526
1527                 return $htmlForm;
1528         }
1529
1530         /**
1531          * @param IContextSource $context
1532          * @return array
1533          */
1534         protected function getTimezoneOptions( IContextSource $context ) {
1535                 $opt = [];
1536
1537                 $localTZoffset = $this->config->get( 'LocalTZoffset' );
1538                 $timeZoneList = $this->getTimeZoneList( $context->getLanguage() );
1539
1540                 $timestamp = MWTimestamp::getLocalInstance();
1541                 // Check that the LocalTZoffset is the same as the local time zone offset
1542                 if ( $localTZoffset == $timestamp->format( 'Z' ) / 60 ) {
1543                         $timezoneName = $timestamp->getTimezone()->getName();
1544                         // Localize timezone
1545                         if ( isset( $timeZoneList[$timezoneName] ) ) {
1546                                 $timezoneName = $timeZoneList[$timezoneName]['name'];
1547                         }
1548                         $server_tz_msg = $context->msg(
1549                                 'timezoneuseserverdefault',
1550                                 $timezoneName
1551                         )->text();
1552                 } else {
1553                         $tzstring = sprintf(
1554                                 '%+03d:%02d',
1555                                 floor( $localTZoffset / 60 ),
1556                                 abs( $localTZoffset ) % 60
1557                         );
1558                         $server_tz_msg = $context->msg( 'timezoneuseserverdefault', $tzstring )->text();
1559                 }
1560                 $opt[$server_tz_msg] = "System|$localTZoffset";
1561                 $opt[$context->msg( 'timezoneuseoffset' )->text()] = 'other';
1562                 $opt[$context->msg( 'guesstimezone' )->text()] = 'guess';
1563
1564                 foreach ( $timeZoneList as $timeZoneInfo ) {
1565                         $region = $timeZoneInfo['region'];
1566                         if ( !isset( $opt[$region] ) ) {
1567                                 $opt[$region] = [];
1568                         }
1569                         $opt[$region][$timeZoneInfo['name']] = $timeZoneInfo['timecorrection'];
1570                 }
1571                 return $opt;
1572         }
1573
1574         /**
1575          * Handle the form submission if everything validated properly
1576          *
1577          * @param array $formData
1578          * @param HTMLForm $form
1579          * @param array[] $formDescriptor
1580          * @return bool|Status|string
1581          */
1582         protected function saveFormData( $formData, HTMLForm $form, array $formDescriptor ) {
1583                 /** @var \User $user */
1584                 $user = $form->getModifiedUser();
1585                 $hiddenPrefs = $this->config->get( 'HiddenPrefs' );
1586                 $result = true;
1587
1588                 if ( !$user->isAllowedAny( 'editmyprivateinfo', 'editmyoptions' ) ) {
1589                         return Status::newFatal( 'mypreferencesprotected' );
1590                 }
1591
1592                 // Filter input
1593                 $this->applyFilters( $formData, $formDescriptor, 'filterFromForm' );
1594
1595                 // Fortunately, the realname field is MUCH simpler
1596                 // (not really "private", but still shouldn't be edited without permission)
1597
1598                 if ( !in_array( 'realname', $hiddenPrefs )
1599                         && $user->isAllowed( 'editmyprivateinfo' )
1600                         && array_key_exists( 'realname', $formData )
1601                 ) {
1602                         $realName = $formData['realname'];
1603                         $user->setRealName( $realName );
1604                 }
1605
1606                 if ( $user->isAllowed( 'editmyoptions' ) ) {
1607                         $oldUserOptions = $user->getOptions();
1608
1609                         foreach ( $this->getSaveBlacklist() as $b ) {
1610                                 unset( $formData[$b] );
1611                         }
1612
1613                         # If users have saved a value for a preference which has subsequently been disabled
1614                         # via $wgHiddenPrefs, we don't want to destroy that setting in case the preference
1615                         # is subsequently re-enabled
1616                         foreach ( $hiddenPrefs as $pref ) {
1617                                 # If the user has not set a non-default value here, the default will be returned
1618                                 # and subsequently discarded
1619                                 $formData[$pref] = $user->getOption( $pref, null, true );
1620                         }
1621
1622                         // If the user changed the rclimit preference, also change the rcfilters-rclimit preference
1623                         if (
1624                                 isset( $formData['rclimit'] ) &&
1625                                 intval( $formData[ 'rclimit' ] ) !== $user->getIntOption( 'rclimit' )
1626                         ) {
1627                                 $formData['rcfilters-limit'] = $formData['rclimit'];
1628                         }
1629
1630                         // Keep old preferences from interfering due to back-compat code, etc.
1631                         $user->resetOptions( 'unused', $form->getContext() );
1632
1633                         foreach ( $formData as $key => $value ) {
1634                                 $user->setOption( $key, $value );
1635                         }
1636
1637                         Hooks::run(
1638                                 'PreferencesFormPreSave',
1639                                 [ $formData, $form, $user, &$result, $oldUserOptions ]
1640                         );
1641                 }
1642
1643                 AuthManager::callLegacyAuthPlugin( 'updateExternalDB', [ $user ] );
1644                 $user->saveSettings();
1645
1646                 return $result;
1647         }
1648
1649         /**
1650          * Applies filters to preferences either before or after form usage
1651          *
1652          * @param array &$preferences
1653          * @param array $formDescriptor
1654          * @param string $verb Name of the filter method to call, either 'filterFromForm' or
1655          *              'filterForForm'
1656          */
1657         protected function applyFilters( array &$preferences, array $formDescriptor, $verb ) {
1658                 foreach ( $formDescriptor as $preference => $desc ) {
1659                         if ( !isset( $desc['filter'] ) || !isset( $preferences[$preference] ) ) {
1660                                 continue;
1661                         }
1662                         $filterDesc = $desc['filter'];
1663                         if ( $filterDesc instanceof Filter ) {
1664                                 $filter = $filterDesc;
1665                         } elseif ( class_exists( $filterDesc ) ) {
1666                                 $filter = new $filterDesc();
1667                         } elseif ( is_callable( $filterDesc ) ) {
1668                                 $filter = $filterDesc();
1669                         } else {
1670                                 throw new UnexpectedValueException(
1671                                         "Unrecognized filter type for preference '$preference'"
1672                                 );
1673                         }
1674                         $preferences[$preference] = $filter->$verb( $preferences[$preference] );
1675                 }
1676         }
1677
1678         /**
1679          * Save the form data and reload the page
1680          *
1681          * @param array $formData
1682          * @param HTMLForm $form
1683          * @param array $formDescriptor
1684          * @return Status
1685          */
1686         protected function submitForm( array $formData, HTMLForm $form, array $formDescriptor ) {
1687                 $res = $this->saveFormData( $formData, $form, $formDescriptor );
1688
1689                 if ( $res === true ) {
1690                         $context = $form->getContext();
1691                         $urlOptions = [];
1692
1693                         if ( $res === 'eauth' ) {
1694                                 $urlOptions['eauth'] = 1;
1695                         }
1696
1697                         if (
1698                                 $context->getRequest()->getFuzzyBool( 'ooui' ) !==
1699                                 $context->getConfig()->get( 'OOUIPreferences' )
1700                         ) {
1701                                 $urlOptions[ 'ooui' ] = $context->getRequest()->getFuzzyBool( 'ooui' ) ? 1 : 0;
1702                         }
1703
1704                         $urlOptions += $form->getExtraSuccessRedirectParameters();
1705
1706                         $url = $form->getTitle()->getFullURL( $urlOptions );
1707
1708                         // Set session data for the success message
1709                         $context->getRequest()->getSession()->set( 'specialPreferencesSaveSuccess', 1 );
1710
1711                         $context->getOutput()->redirect( $url );
1712                 }
1713
1714                 return ( $res === true ? Status::newGood() : $res );
1715         }
1716
1717         /**
1718          * Get a list of all time zones
1719          * @param Language $language Language used for the localized names
1720          * @return array A list of all time zones. The system name of the time zone is used as key and
1721          *  the value is an array which contains localized name, the timecorrection value used for
1722          *  preferences and the region
1723          * @since 1.26
1724          */
1725         protected function getTimeZoneList( Language $language ) {
1726                 $identifiers = DateTimeZone::listIdentifiers();
1727                 if ( $identifiers === false ) {
1728                         return [];
1729                 }
1730                 sort( $identifiers );
1731
1732                 $tzRegions = [
1733                         'Africa' => wfMessage( 'timezoneregion-africa' )->inLanguage( $language )->text(),
1734                         'America' => wfMessage( 'timezoneregion-america' )->inLanguage( $language )->text(),
1735                         'Antarctica' => wfMessage( 'timezoneregion-antarctica' )->inLanguage( $language )->text(),
1736                         'Arctic' => wfMessage( 'timezoneregion-arctic' )->inLanguage( $language )->text(),
1737                         'Asia' => wfMessage( 'timezoneregion-asia' )->inLanguage( $language )->text(),
1738                         'Atlantic' => wfMessage( 'timezoneregion-atlantic' )->inLanguage( $language )->text(),
1739                         'Australia' => wfMessage( 'timezoneregion-australia' )->inLanguage( $language )->text(),
1740                         'Europe' => wfMessage( 'timezoneregion-europe' )->inLanguage( $language )->text(),
1741                         'Indian' => wfMessage( 'timezoneregion-indian' )->inLanguage( $language )->text(),
1742                         'Pacific' => wfMessage( 'timezoneregion-pacific' )->inLanguage( $language )->text(),
1743                 ];
1744                 asort( $tzRegions );
1745
1746                 $timeZoneList = [];
1747
1748                 $now = new DateTime();
1749
1750                 foreach ( $identifiers as $identifier ) {
1751                         $parts = explode( '/', $identifier, 2 );
1752
1753                         // DateTimeZone::listIdentifiers() returns a number of
1754                         // backwards-compatibility entries. This filters them out of the
1755                         // list presented to the user.
1756                         if ( count( $parts ) !== 2 || !array_key_exists( $parts[0], $tzRegions ) ) {
1757                                 continue;
1758                         }
1759
1760                         // Localize region
1761                         $parts[0] = $tzRegions[$parts[0]];
1762
1763                         $dateTimeZone = new DateTimeZone( $identifier );
1764                         $minDiff = floor( $dateTimeZone->getOffset( $now ) / 60 );
1765
1766                         $display = str_replace( '_', ' ', $parts[0] . '/' . $parts[1] );
1767                         $value = "ZoneInfo|$minDiff|$identifier";
1768
1769                         $timeZoneList[$identifier] = [
1770                                 'name' => $display,
1771                                 'timecorrection' => $value,
1772                                 'region' => $parts[0],
1773                         ];
1774                 }
1775
1776                 return $timeZoneList;
1777         }
1778 }