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 CentralIdLookup;
  24 use Config;
  25 use DateTime;
  26 use DateTimeZone;
  27 use Exception;
  28 use Hooks;
  29 use Html;
  30 use HtmlArmor;
  31 use HTMLForm;
  32 use HTMLFormField;
  33 use IContextSource;
  34 use Language;
  35 use LanguageCode;
  36 use LanguageConverter;
  37 use MediaWiki\Auth\AuthManager;
  38 use MediaWiki\Auth\PasswordAuthenticationRequest;
  39 use MediaWiki\Linker\LinkRenderer;
  40 use MediaWiki\MediaWikiServices;
  41 use MessageLocalizer;
  42 use MWException;
  43 use MWNamespace;
  44 use MWTimestamp;
  45 use OutputPage;
  46 use Parser;
  47 use ParserOptions;
  48 use PreferencesForm;
  49 use PreferencesFormOOUI;
  50 use Psr\Log\LoggerAwareTrait;
  51 use Psr\Log\NullLogger;
  52 use Skin;
  53 use SpecialPage;
  54 use SpecialPreferences;
  55 use Status;
  56 use Title;
  57 use User;
  58 use UserGroupMembership;
  59 use Xml;
  60
  61 /**
  62  * This is the default implementation of PreferencesFactory.
  63  */
  64 class DefaultPreferencesFactory implements PreferencesFactory {
  65         use LoggerAwareTrait;
  66
  67         /** @var Config */
  68         protected $config;
  69
  70         /** @var Language The wiki's content language, equivalent to $wgContLang. */
  71         protected $contLang;
  72
  73         /** @var AuthManager */
  74         protected $authManager;
  75
  76         /** @var LinkRenderer */
  77         protected $linkRenderer;
  78
  79         /**
  80          * @param Config $config
  81          * @param Language $contLang
  82          * @param AuthManager $authManager
  83          * @param LinkRenderer $linkRenderer
  84          */
  85         public function __construct(
  86                 Config $config,
  87                 Language $contLang,
  88                 AuthManager $authManager,
  89                 LinkRenderer $linkRenderer
  90         ) {
  91                 $this->config = $config;
  92                 $this->contLang = $contLang;
  93                 $this->authManager = $authManager;
  94                 $this->linkRenderer = $linkRenderer;
  95                 $this->logger = new NullLogger();
  96         }
  97
  98         /**
  99          * @return callable[]
 100          */
 101         protected function getSaveFilters() {
 102                 // Wrap intval() so that we can pass it multiple parameters and treat all filters the same.
 103                 $intvalFilter = function ( $value, $alldata ) {
 104                         return intval( $value );
 105                 };
 106                 return [
 107                         'timecorrection' => [ $this, 'filterTimezoneInput' ],
 108                         'rclimit' => $intvalFilter,
 109                         'wllimit' => $intvalFilter,
 110                         'searchlimit' => $intvalFilter,
 111                 ];
 112         }
 113
 114         /**
 115          * @inheritDoc
 116          */
 117         public function getSaveBlacklist() {
 118                 return [
 119                         'realname',
 120                         'emailaddress',
 121                 ];
 122         }
 123
 124         /**
 125          * @throws MWException
 126          * @param User $user
 127          * @param IContextSource $context
 128          * @return array|null
 129          */
 130         public function getFormDescriptor( User $user, IContextSource $context ) {
 131                 $preferences = [];
 132
 133                 if ( SpecialPreferences::isOouiEnabled( $context ) ) {
 134                         OutputPage::setupOOUI(
 135                                 strtolower( $context->getSkin()->getSkinName() ),
 136                                 $context->getLanguage()->getDir()
 137                         );
 138                 }
 139
 140                 $canIPUseHTTPS = wfCanIPUseHTTPS( $context->getRequest()->getIP() );
 141                 $this->profilePreferences( $user, $context, $preferences, $canIPUseHTTPS );
 142                 $this->skinPreferences( $user, $context, $preferences );
 143                 $this->datetimePreferences( $user, $context, $preferences );
 144                 $this->filesPreferences( $context, $preferences );
 145                 $this->renderingPreferences( $context, $preferences );
 146                 $this->editingPreferences( $user, $context, $preferences );
 147                 $this->rcPreferences( $user, $context, $preferences );
 148                 $this->watchlistPreferences( $user, $context, $preferences );
 149                 $this->searchPreferences( $preferences );
 150
 151                 Hooks::run( 'GetPreferences', [ $user, &$preferences ] );
 152
 153                 $this->loadPreferenceValues( $user, $context, $preferences );
 154                 $this->logger->debug( "Created form descriptor for user '{$user->getName()}'" );
 155                 return $preferences;
 156         }
 157
 158         /**
 159          * Loads existing values for a given array of preferences
 160          * @throws MWException
 161          * @param User $user
 162          * @param IContextSource $context
 163          * @param array &$defaultPreferences Array to load values for
 164          * @return array|null
 165          */
 166         private function loadPreferenceValues(
 167                 User $user, IContextSource $context, &$defaultPreferences
 168         ) {
 169                 # # Remove preferences that wikis don't want to use
 170                 foreach ( $this->config->get( 'HiddenPrefs' ) as $pref ) {
 171                         if ( isset( $defaultPreferences[$pref] ) ) {
 172                                 unset( $defaultPreferences[$pref] );
 173                         }
 174                 }
 175
 176                 # # Make sure that form fields have their parent set. See T43337.
 177                 $dummyForm = new HTMLForm( [], $context );
 178
 179                 $disable = !$user->isAllowed( 'editmyoptions' );
 180
 181                 $defaultOptions = User::getDefaultOptions();
 182                 # # Prod in defaults from the user
 183                 foreach ( $defaultPreferences as $name => &$info ) {
 184                         $prefFromUser = $this->getOptionFromUser( $name, $info, $user );
 185                         if ( $disable && !in_array( $name, $this->getSaveBlacklist() ) ) {
 186                                 $info['disabled'] = 'disabled';
 187                         }
 188                         $field = HTMLForm::loadInputFromParameters( $name, $info, $dummyForm ); // For validation
 189                         $globalDefault = isset( $defaultOptions[$name] )
 190                                 ? $defaultOptions[$name]
 191                                 : null;
 192
 193                         // If it validates, set it as the default
 194                         if ( isset( $info['default'] ) ) {
 195                                 // Already set, no problem
 196                                 continue;
 197                         } elseif ( !is_null( $prefFromUser ) && // Make sure we're not just pulling nothing
 198                                         $field->validate( $prefFromUser, $user->getOptions() ) === true ) {
 199                                 $info['default'] = $prefFromUser;
 200                         } elseif ( $field->validate( $globalDefault, $user->getOptions() ) === true ) {
 201                                 $info['default'] = $globalDefault;
 202                         } else {
 203                                 throw new MWException( "Global default '$globalDefault' is invalid for field $name" );
 204                         }
 205                 }
 206
 207                 return $defaultPreferences;
 208         }
 209
 210         /**
 211          * Pull option from a user account. Handles stuff like array-type preferences.
 212          *
 213          * @param string $name
 214          * @param array $info
 215          * @param User $user
 216          * @return array|string
 217          */
 218         protected function getOptionFromUser( $name, $info, User $user ) {
 219                 $val = $user->getOption( $name );
 220
 221                 // Handling for multiselect preferences
 222                 if ( ( isset( $info['type'] ) && $info['type'] == 'multiselect' ) ||
 223                                 ( isset( $info['class'] ) && $info['class'] == \HTMLMultiSelectField::class ) ) {
 224                         $options = HTMLFormField::flattenOptions( $info['options'] );
 225                         $prefix = isset( $info['prefix'] ) ? $info['prefix'] : $name;
 226                         $val = [];
 227
 228                         foreach ( $options as $value ) {
 229                                 if ( $user->getOption( "$prefix$value" ) ) {
 230                                         $val[] = $value;
 231                                 }
 232                         }
 233                 }
 234
 235                 // Handling for checkmatrix preferences
 236                 if ( ( isset( $info['type'] ) && $info['type'] == 'checkmatrix' ) ||
 237                                 ( isset( $info['class'] ) && $info['class'] == \HTMLCheckMatrix::class ) ) {
 238                         $columns = HTMLFormField::flattenOptions( $info['columns'] );
 239                         $rows = HTMLFormField::flattenOptions( $info['rows'] );
 240                         $prefix = isset( $info['prefix'] ) ? $info['prefix'] : $name;
 241                         $val = [];
 242
 243                         foreach ( $columns as $column ) {
 244                                 foreach ( $rows as $row ) {
 245                                         if ( $user->getOption( "$prefix$column-$row" ) ) {
 246                                                 $val[] = "$column-$row";
 247                                         }
 248                                 }
 249                         }
 250                 }
 251
 252                 return $val;
 253         }
 254
 255         /**
 256          * @todo Inject user Language instead of using context.
 257          * @param User $user
 258          * @param IContextSource $context
 259          * @param array &$defaultPreferences
 260          * @param bool $canIPUseHTTPS Whether the user's IP is likely to be able to access the wiki
 261          * via HTTPS.
 262          * @return void
 263          */
 264         protected function profilePreferences(
 265                 User $user, IContextSource $context, &$defaultPreferences, $canIPUseHTTPS
 266         ) {
 267                 $oouiEnabled = SpecialPreferences::isOouiEnabled( $context );
 268
 269                 // retrieving user name for GENDER and misc.
 270                 $userName = $user->getName();
 271
 272                 # # User info #####################################
 273                 // Information panel
 274                 $defaultPreferences['username'] = [
 275                         'type' => 'info',
 276                         'label-message' => [ 'username', $userName ],
 277                         'default' => $userName,
 278                         'section' => 'personal/info',
 279                 ];
 280
 281                 $lang = $context->getLanguage();
 282
 283                 # Get groups to which the user belongs
 284                 $userEffectiveGroups = $user->getEffectiveGroups();
 285                 $userGroupMemberships = $user->getGroupMemberships();
 286                 $userGroups = $userMembers = $userTempGroups = $userTempMembers = [];
 287                 foreach ( $userEffectiveGroups as $ueg ) {
 288                         if ( $ueg == '*' ) {
 289                                 // Skip the default * group, seems useless here
 290                                 continue;
 291                         }
 292
 293                         if ( isset( $userGroupMemberships[$ueg] ) ) {
 294                                 $groupStringOrObject = $userGroupMemberships[$ueg];
 295                         } else {
 296                                 $groupStringOrObject = $ueg;
 297                         }
 298
 299                         $userG = UserGroupMembership::getLink( $groupStringOrObject, $context, 'html' );
 300                         $userM = UserGroupMembership::getLink( $groupStringOrObject, $context, 'html',
 301                                 $userName );
 302
 303                         // Store expiring groups separately, so we can place them before non-expiring
 304                         // groups in the list. This is to avoid the ambiguity of something like
 305                         // "administrator, bureaucrat (until X date)" -- users might wonder whether the
 306                         // expiry date applies to both groups, or just the last one
 307                         if ( $groupStringOrObject instanceof UserGroupMembership &&
 308                                 $groupStringOrObject->getExpiry()
 309                         ) {
 310                                 $userTempGroups[] = $userG;
 311                                 $userTempMembers[] = $userM;
 312                         } else {
 313                                 $userGroups[] = $userG;
 314                                 $userMembers[] = $userM;
 315                         }
 316                 }
 317                 sort( $userGroups );
 318                 sort( $userMembers );
 319                 sort( $userTempGroups );
 320                 sort( $userTempMembers );
 321                 $userGroups = array_merge( $userTempGroups, $userGroups );
 322                 $userMembers = array_merge( $userTempMembers, $userMembers );
 323
 324                 $defaultPreferences['usergroups'] = [
 325                         'type' => 'info',
 326                         'label' => $context->msg( 'prefs-memberingroups' )->numParams(
 327                                 count( $userGroups ) )->params( $userName )->parse(),
 328                         'default' => $context->msg( 'prefs-memberingroups-type' )
 329                                 ->rawParams( $lang->commaList( $userGroups ), $lang->commaList( $userMembers ) )
 330                                 ->escaped(),
 331                         'raw' => true,
 332                         'section' => 'personal/info',
 333                 ];
 334
 335                 $contribTitle = SpecialPage::getTitleFor( "Contributions", $userName );
 336                 $formattedEditCount = $lang->formatNum( $user->getEditCount() );
 337                 $editCount = $this->linkRenderer->makeLink( $contribTitle, $formattedEditCount );
 338
 339                 $defaultPreferences['editcount'] = [
 340                         'type' => 'info',
 341                         'raw' => true,
 342                         'label-message' => 'prefs-edits',
 343                         'default' => $editCount,
 344                         'section' => 'personal/info',
 345                 ];
 346
 347                 if ( $user->getRegistration() ) {
 348                         $displayUser = $context->getUser();
 349                         $userRegistration = $user->getRegistration();
 350                         $defaultPreferences['registrationdate'] = [
 351                                 'type' => 'info',
 352                                 'label-message' => 'prefs-registration',
 353                                 'default' => $context->msg(
 354                                         'prefs-registration-date-time',
 355                                         $lang->userTimeAndDate( $userRegistration, $displayUser ),
 356                                         $lang->userDate( $userRegistration, $displayUser ),
 357                                         $lang->userTime( $userRegistration, $displayUser )
 358                                 )->parse(),
 359                                 'section' => 'personal/info',
 360                         ];
 361                 }
 362
 363                 $canViewPrivateInfo = $user->isAllowed( 'viewmyprivateinfo' );
 364                 $canEditPrivateInfo = $user->isAllowed( 'editmyprivateinfo' );
 365
 366                 // Actually changeable stuff
 367                 $defaultPreferences['realname'] = [
 368                         // (not really "private", but still shouldn't be edited without permission)
 369                         'type' => $canEditPrivateInfo && $this->authManager->allowsPropertyChange( 'realname' )
 370                                 ? 'text' : 'info',
 371                         'default' => $user->getRealName(),
 372                         'section' => 'personal/info',
 373                         'label-message' => 'yourrealname',
 374                         'help-message' => 'prefs-help-realname',
 375                 ];
 376
 377                 if ( $canEditPrivateInfo && $this->authManager->allowsAuthenticationDataChange(
 378                         new PasswordAuthenticationRequest(), false )->isGood()
 379                 ) {
 380                         if ( $oouiEnabled ) {
 381                                 $link = new \OOUI\ButtonWidget( [
 382                                         'href' => SpecialPage::getTitleFor( 'ChangePassword' )->getLinkURL( [
 383                                                 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText()
 384                                         ] ),
 385                                         'label' => $context->msg( 'prefs-resetpass' )->text(),
 386                                 ] );
 387                         } else {
 388                                 $link = $this->linkRenderer->makeLink( SpecialPage::getTitleFor( 'ChangePassword' ),
 389                                         $context->msg( 'prefs-resetpass' )->text(), [],
 390                                         [ 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText() ] );
 391                         }
 392
 393                         $defaultPreferences['password'] = [
 394                                 'type' => 'info',
 395                                 'raw' => true,
 396                                 'default' => (string)$link,
 397                                 'label-message' => 'yourpassword',
 398                                 'section' => 'personal/info',
 399                         ];
 400                 }
 401                 // Only show prefershttps if secure login is turned on
 402                 if ( $this->config->get( 'SecureLogin' ) && $canIPUseHTTPS ) {
 403                         $defaultPreferences['prefershttps'] = [
 404                                 'type' => 'toggle',
 405                                 'label-message' => 'tog-prefershttps',
 406                                 'help-message' => 'prefs-help-prefershttps',
 407                                 'section' => 'personal/info'
 408                         ];
 409                 }
 410
 411                 // Language
 412                 $languages = Language::fetchLanguageNames( null, 'mw' );
 413                 $languageCode = $this->config->get( 'LanguageCode' );
 414                 if ( !array_key_exists( $languageCode, $languages ) ) {
 415                         $languages[$languageCode] = $languageCode;
 416                         // Sort the array again
 417                         ksort( $languages );
 418                 }
 419
 420                 $options = [];
 421                 foreach ( $languages as $code => $name ) {
 422                         $display = LanguageCode::bcp47( $code ) . ' - ' . $name;
 423                         $options[$display] = $code;
 424                 }
 425                 $defaultPreferences['language'] = [
 426                         'type' => 'select',
 427                         'section' => 'personal/i18n',
 428                         'options' => $options,
 429                         'label-message' => 'yourlanguage',
 430                 ];
 431
 432                 $defaultPreferences['gender'] = [
 433                         'type' => 'radio',
 434                         'section' => 'personal/i18n',
 435                         'options' => [
 436                                 $context->msg( 'parentheses' )
 437                                         ->params( $context->msg( 'gender-unknown' )->plain() )
 438                                         ->escaped() => 'unknown',
 439                                 $context->msg( 'gender-female' )->escaped() => 'female',
 440                                 $context->msg( 'gender-male' )->escaped() => 'male',
 441                         ],
 442                         'label-message' => 'yourgender',
 443                         'help-message' => 'prefs-help-gender',
 444                 ];
 445
 446                 // see if there are multiple language variants to choose from
 447                 if ( !$this->config->get( 'DisableLangConversion' ) ) {
 448                         foreach ( LanguageConverter::$languagesWithVariants as $langCode ) {
 449                                 if ( $langCode == $this->contLang->getCode() ) {
 450                                         $variants = $this->contLang->getVariants();
 451
 452                                         if ( count( $variants ) <= 1 ) {
 453                                                 continue;
 454                                         }
 455
 456                                         $variantArray = [];
 457                                         foreach ( $variants as $v ) {
 458                                                 $v = str_replace( '_', '-', strtolower( $v ) );
 459                                                 $variantArray[$v] = $lang->getVariantname( $v, false );
 460                                         }
 461
 462                                         $options = [];
 463                                         foreach ( $variantArray as $code => $name ) {
 464                                                 $display = LanguageCode::bcp47( $code ) . ' - ' . $name;
 465                                                 $options[$display] = $code;
 466                                         }
 467
 468                                         $defaultPreferences['variant'] = [
 469                                                 'label-message' => 'yourvariant',
 470                                                 'type' => 'select',
 471                                                 'options' => $options,
 472                                                 'section' => 'personal/i18n',
 473                                                 'help-message' => 'prefs-help-variant',
 474                                         ];
 475                                 } else {
 476                                         $defaultPreferences["variant-$langCode"] = [
 477                                                 'type' => 'api',
 478                                         ];
 479                                 }
 480                         }
 481                 }
 482
 483                 // Stuff from Language::getExtraUserToggles()
 484                 // FIXME is this dead code? $extraUserToggles doesn't seem to be defined for any language
 485                 $toggles = $this->contLang->getExtraUserToggles();
 486
 487                 foreach ( $toggles as $toggle ) {
 488                         $defaultPreferences[$toggle] = [
 489                                 'type' => 'toggle',
 490                                 'section' => 'personal/i18n',
 491                                 'label-message' => "tog-$toggle",
 492                         ];
 493                 }
 494
 495                 // show a preview of the old signature first
 496                 $oldsigWikiText = MediaWikiServices::getInstance()->getParser()->preSaveTransform(
 497                         '~~~',
 498                         $context->getTitle(),
 499                         $user,
 500                         ParserOptions::newFromContext( $context )
 501                 );
 502                 $oldsigHTML = $context->getOutput()->parseInline( $oldsigWikiText, true, true );
 503                 $defaultPreferences['oldsig'] = [
 504                         'type' => 'info',
 505                         'raw' => true,
 506                         'label-message' => 'tog-oldsig',
 507                         'default' => $oldsigHTML,
 508                         'section' => 'personal/signature',
 509                 ];
 510                 $defaultPreferences['nickname'] = [
 511                         'type' => $this->authManager->allowsPropertyChange( 'nickname' ) ? 'text' : 'info',
 512                         'maxlength' => $this->config->get( 'MaxSigChars' ),
 513                         'label-message' => 'yournick',
 514                         'validation-callback' => function ( $signature, $alldata, HTMLForm $form ) {
 515                                 return $this->validateSignature( $signature, $alldata, $form );
 516                         },
 517                         'section' => 'personal/signature',
 518                         'filter-callback' => function ( $signature, array $alldata, HTMLForm $form ) {
 519                                 return $this->cleanSignature( $signature, $alldata, $form );
 520                         },
 521                 ];
 522                 $defaultPreferences['fancysig'] = [
 523                         'type' => 'toggle',
 524                         'label-message' => 'tog-fancysig',
 525                         // show general help about signature at the bottom of the section
 526                         'help-message' => 'prefs-help-signature',
 527                         'section' => 'personal/signature'
 528                 ];
 529
 530                 # # Email stuff
 531
 532                 if ( $this->config->get( 'EnableEmail' ) ) {
 533                         if ( $canViewPrivateInfo ) {
 534                                 $helpMessages[] = $this->config->get( 'EmailConfirmToEdit' )
 535                                                 ? 'prefs-help-email-required'
 536                                                 : 'prefs-help-email';
 537
 538                                 if ( $this->config->get( 'EnableUserEmail' ) ) {
 539                                         // additional messages when users can send email to each other
 540                                         $helpMessages[] = 'prefs-help-email-others';
 541                                 }
 542
 543                                 $emailAddress = $user->getEmail() ? htmlspecialchars( $user->getEmail() ) : '';
 544                                 if ( $canEditPrivateInfo && $this->authManager->allowsPropertyChange( 'emailaddress' ) ) {
 545                                         if ( $oouiEnabled ) {
 546                                                 $link = new \OOUI\ButtonWidget( [
 547                                                         'href' => SpecialPage::getTitleFor( 'ChangeEmail' )->getLinkURL( [
 548                                                                 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText()
 549                                                         ] ),
 550                                                         'label' =>
 551                                                                 $context->msg( $user->getEmail() ? 'prefs-changeemail' : 'prefs-setemail' )->text(),
 552                                                 ] );
 553
 554                                                 $emailAddress .= $emailAddress == '' ? $link : ( '<br />' . $link );
 555                                         } else {
 556                                                 $link = $this->linkRenderer->makeLink(
 557                                                         SpecialPage::getTitleFor( 'ChangeEmail' ),
 558                                                         $context->msg( $user->getEmail() ? 'prefs-changeemail' : 'prefs-setemail' )->text(),
 559                                                         [],
 560                                                         [ 'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText() ] );
 561
 562                                                 $emailAddress .= $emailAddress == '' ? $link : (
 563                                                         $context->msg( 'word-separator' )->escaped()
 564                                                         . $context->msg( 'parentheses' )->rawParams( $link )->escaped()
 565                                                 );
 566                                         }
 567                                 }
 568
 569                                 $defaultPreferences['emailaddress'] = [
 570                                         'type' => 'info',
 571                                         'raw' => true,
 572                                         'default' => $emailAddress,
 573                                         'label-message' => 'youremail',
 574                                         'section' => 'personal/email',
 575                                         'help-messages' => $helpMessages,
 576                                         # 'cssclass' chosen below
 577                                 ];
 578                         }
 579
 580                         $disableEmailPrefs = false;
 581
 582                         if ( $this->config->get( 'EmailAuthentication' ) ) {
 583                                 $emailauthenticationclass = 'mw-email-not-authenticated';
 584                                 if ( $user->getEmail() ) {
 585                                         if ( $user->getEmailAuthenticationTimestamp() ) {
 586                                                 // date and time are separate parameters to facilitate localisation.
 587                                                 // $time is kept for backward compat reasons.
 588                                                 // 'emailauthenticated' is also used in SpecialConfirmemail.php
 589                                                 $displayUser = $context->getUser();
 590                                                 $emailTimestamp = $user->getEmailAuthenticationTimestamp();
 591                                                 $time = $lang->userTimeAndDate( $emailTimestamp, $displayUser );
 592                                                 $d = $lang->userDate( $emailTimestamp, $displayUser );
 593                                                 $t = $lang->userTime( $emailTimestamp, $displayUser );
 594                                                 $emailauthenticated = $context->msg( 'emailauthenticated',
 595                                                         $time, $d, $t )->parse() . '<br />';
 596                                                 $disableEmailPrefs = false;
 597                                                 $emailauthenticationclass = 'mw-email-authenticated';
 598                                         } else {
 599                                                 $disableEmailPrefs = true;
 600                                                 if ( $oouiEnabled ) {
 601                                                         $emailauthenticated = $context->msg( 'emailnotauthenticated' )->parse() . '<br />' .
 602                                                                 new \OOUI\ButtonWidget( [
 603                                                                         'href' => SpecialPage::getTitleFor( 'Confirmemail' )->getLinkURL(),
 604                                                                         'label' => $context->msg( 'emailconfirmlink' )->text(),
 605                                                                 ] );
 606                                                 } else {
 607                                                         $emailauthenticated = $context->msg( 'emailnotauthenticated' )->parse() . '<br />' .
 608                                                                 $this->linkRenderer->makeKnownLink(
 609                                                                         SpecialPage::getTitleFor( 'Confirmemail' ),
 610                                                                         $context->msg( 'emailconfirmlink' )->text()
 611                                                                 ) . '<br />';
 612                                                 }
 613                                                 $emailauthenticationclass = "mw-email-not-authenticated";
 614                                         }
 615                                 } else {
 616                                         $disableEmailPrefs = true;
 617                                         $emailauthenticated = $context->msg( 'noemailprefs' )->escaped();
 618                                         $emailauthenticationclass = 'mw-email-none';
 619                                 }
 620
 621                                 if ( $canViewPrivateInfo ) {
 622                                         $defaultPreferences['emailauthentication'] = [
 623                                                 'type' => 'info',
 624                                                 'raw' => true,
 625                                                 'section' => 'personal/email',
 626                                                 'label-message' => 'prefs-emailconfirm-label',
 627                                                 'default' => $emailauthenticated,
 628                                                 # Apply the same CSS class used on the input to the message:
 629                                                 'cssclass' => $emailauthenticationclass,
 630                                         ];
 631                                 }
 632                         }
 633
 634                         if ( $this->config->get( 'EnableUserEmail' ) && $user->isAllowed( 'sendemail' ) ) {
 635                                 $defaultPreferences['disablemail'] = [
 636                                         'id' => 'wpAllowEmail',
 637                                         'type' => 'toggle',
 638                                         'invert' => true,
 639                                         'section' => 'personal/email',
 640                                         'label-message' => 'allowemail',
 641                                         'disabled' => $disableEmailPrefs,
 642                                 ];
 643
 644                                 $defaultPreferences['email-allow-new-users'] = [
 645                                         'id' => 'wpAllowEmailFromNewUsers',
 646                                         'type' => 'toggle',
 647                                         'section' => 'personal/email',
 648                                         'label-message' => 'email-allow-new-users-label',
 649                                         'disabled' => $disableEmailPrefs,
 650                                 ];
 651
 652                                 $defaultPreferences['ccmeonemails'] = [
 653                                         'type' => 'toggle',
 654                                         'section' => 'personal/email',
 655                                         'label-message' => 'tog-ccmeonemails',
 656                                         'disabled' => $disableEmailPrefs,
 657                                 ];
 658
 659                                 if ( $this->config->get( 'EnableUserEmailBlacklist' ) ) {
 660                                         $lookup = CentralIdLookup::factory();
 661                                         $ids = $user->getOption( 'email-blacklist', [] );
 662                                         $names = $ids ? $lookup->namesFromCentralIds( $ids, $user ) : [];
 663
 664                                         $defaultPreferences['email-blacklist'] = [
 665                                                 'type' => 'usersmultiselect',
 666                                                 'label-message' => 'email-blacklist-label',
 667                                                 'section' => 'personal/email',
 668                                                 'default' => implode( "\n", $names ),
 669                                                 'disabled' => $disableEmailPrefs,
 670                                         ];
 671                                 }
 672                         }
 673
 674                         if ( $this->config->get( 'EnotifWatchlist' ) ) {
 675                                 $defaultPreferences['enotifwatchlistpages'] = [
 676                                         'type' => 'toggle',
 677                                         'section' => 'personal/email',
 678                                         'label-message' => 'tog-enotifwatchlistpages',
 679                                         'disabled' => $disableEmailPrefs,
 680                                 ];
 681                         }
 682                         if ( $this->config->get( 'EnotifUserTalk' ) ) {
 683                                 $defaultPreferences['enotifusertalkpages'] = [
 684                                         'type' => 'toggle',
 685                                         'section' => 'personal/email',
 686                                         'label-message' => 'tog-enotifusertalkpages',
 687                                         'disabled' => $disableEmailPrefs,
 688                                 ];
 689                         }
 690                         if ( $this->config->get( 'EnotifUserTalk' ) || $this->config->get( 'EnotifWatchlist' ) ) {
 691                                 if ( $this->config->get( 'EnotifMinorEdits' ) ) {
 692                                         $defaultPreferences['enotifminoredits'] = [
 693                                                 'type' => 'toggle',
 694                                                 'section' => 'personal/email',
 695                                                 'label-message' => 'tog-enotifminoredits',
 696                                                 'disabled' => $disableEmailPrefs,
 697                                         ];
 698                                 }
 699
 700                                 if ( $this->config->get( 'EnotifRevealEditorAddress' ) ) {
 701                                         $defaultPreferences['enotifrevealaddr'] = [
 702                                                 'type' => 'toggle',
 703                                                 'section' => 'personal/email',
 704                                                 'label-message' => 'tog-enotifrevealaddr',
 705                                                 'disabled' => $disableEmailPrefs,
 706                                         ];
 707                                 }
 708                         }
 709                 }
 710         }
 711
 712         /**
 713          * @param User $user
 714          * @param IContextSource $context
 715          * @param array &$defaultPreferences
 716          * @return void
 717          */
 718         protected function skinPreferences( User $user, IContextSource $context, &$defaultPreferences ) {
 719                 # # Skin #####################################
 720
 721                 // Skin selector, if there is at least one valid skin
 722                 $skinOptions = $this->generateSkinOptions( $user, $context );
 723                 if ( $skinOptions ) {
 724                         $defaultPreferences['skin'] = [
 725                                 'type' => 'radio',
 726                                 'options' => $skinOptions,
 727                                 'section' => 'rendering/skin',
 728                         ];
 729                 }
 730
 731                 $allowUserCss = $this->config->get( 'AllowUserCss' );
 732                 $allowUserJs = $this->config->get( 'AllowUserJs' );
 733                 # Create links to user CSS/JS pages for all skins
 734                 # This code is basically copied from generateSkinOptions().  It'd
 735                 # be nice to somehow merge this back in there to avoid redundancy.
 736                 if ( $allowUserCss || $allowUserJs ) {
 737                         $linkTools = [];
 738                         $userName = $user->getName();
 739
 740                         if ( $allowUserCss ) {
 741                                 $cssPage = Title::makeTitleSafe( NS_USER, $userName . '/common.css' );
 742                                 $cssLinkText = $context->msg( 'prefs-custom-css' )->text();
 743                                 $linkTools[] = $this->linkRenderer->makeLink( $cssPage, $cssLinkText );
 744                         }
 745
 746                         if ( $allowUserJs ) {
 747                                 $jsPage = Title::makeTitleSafe( NS_USER, $userName . '/common.js' );
 748                                 $jsLinkText = $context->msg( 'prefs-custom-js' )->text();
 749                                 $linkTools[] = $this->linkRenderer->makeLink( $jsPage, $jsLinkText );
 750                         }
 751
 752                         $defaultPreferences['commoncssjs'] = [
 753                                 'type' => 'info',
 754                                 'raw' => true,
 755                                 'default' => $context->getLanguage()->pipeList( $linkTools ),
 756                                 'label-message' => 'prefs-common-config',
 757                                 'section' => 'rendering/skin',
 758                         ];
 759                 }
 760         }
 761
 762         /**
 763          * @param IContextSource $context
 764          * @param array &$defaultPreferences
 765          */
 766         protected function filesPreferences( IContextSource $context, &$defaultPreferences ) {
 767                 # # Files #####################################
 768                 $defaultPreferences['imagesize'] = [
 769                         'type' => 'select',
 770                         'options' => $this->getImageSizes( $context ),
 771                         'label-message' => 'imagemaxsize',
 772                         'section' => 'rendering/files',
 773                 ];
 774                 $defaultPreferences['thumbsize'] = [
 775                         'type' => 'select',
 776                         'options' => $this->getThumbSizes( $context ),
 777                         'label-message' => 'thumbsize',
 778                         'section' => 'rendering/files',
 779                 ];
 780         }
 781
 782         /**
 783          * @param User $user
 784          * @param IContextSource $context
 785          * @param array &$defaultPreferences
 786          * @return void
 787          */
 788         protected function datetimePreferences( $user, IContextSource $context, &$defaultPreferences ) {
 789                 # # Date and time #####################################
 790                 $dateOptions = $this->getDateOptions( $context );
 791                 if ( $dateOptions ) {
 792                         $defaultPreferences['date'] = [
 793                                 'type' => 'radio',
 794                                 'options' => $dateOptions,
 795                                 'section' => 'rendering/dateformat',
 796                         ];
 797                 }
 798
 799                 // Info
 800                 $now = wfTimestampNow();
 801                 $lang = $context->getLanguage();
 802                 $nowlocal = Xml::element( 'span', [ 'id' => 'wpLocalTime' ],
 803                         $lang->userTime( $now, $user ) );
 804                 $nowserver = $lang->userTime( $now, $user,
 805                                 [ 'format' => false, 'timecorrection' => false ] ) .
 806                         Html::hidden( 'wpServerTime', (int)substr( $now, 8, 2 ) * 60 + (int)substr( $now, 10, 2 ) );
 807
 808                 $defaultPreferences['nowserver'] = [
 809                         'type' => 'info',
 810                         'raw' => 1,
 811                         'label-message' => 'servertime',
 812                         'default' => $nowserver,
 813                         'section' => 'rendering/timeoffset',
 814                 ];
 815
 816                 $defaultPreferences['nowlocal'] = [
 817                         'type' => 'info',
 818                         'raw' => 1,
 819                         'label-message' => 'localtime',
 820                         'default' => $nowlocal,
 821                         'section' => 'rendering/timeoffset',
 822                 ];
 823
 824                 // Grab existing pref.
 825                 $tzOffset = $user->getOption( 'timecorrection' );
 826                 $tz = explode( '|', $tzOffset, 3 );
 827
 828                 $tzOptions = $this->getTimezoneOptions( $context );
 829
 830                 $tzSetting = $tzOffset;
 831                 if ( count( $tz ) > 1 && $tz[0] == 'ZoneInfo' &&
 832                         !in_array( $tzOffset, HTMLFormField::flattenOptions( $tzOptions ) )
 833                 ) {
 834                         // Timezone offset can vary with DST
 835                         try {
 836                                 $userTZ = new DateTimeZone( $tz[2] );
 837                                 $minDiff = floor( $userTZ->getOffset( new DateTime( 'now' ) ) / 60 );
 838                                 $tzSetting = "ZoneInfo|$minDiff|{$tz[2]}";
 839                         } catch ( Exception $e ) {
 840                                 // User has an invalid time zone set. Fall back to just using the offset
 841                                 $tz[0] = 'Offset';
 842                         }
 843                 }
 844                 if ( count( $tz ) > 1 && $tz[0] == 'Offset' ) {
 845                         $minDiff = $tz[1];
 846                         $tzSetting = sprintf( '%+03d:%02d', floor( $minDiff / 60 ), abs( $minDiff ) % 60 );
 847                 }
 848
 849                 $defaultPreferences['timecorrection'] = [
 850                         'class' => \HTMLSelectOrOtherField::class,
 851                         'label-message' => 'timezonelegend',
 852                         'options' => $tzOptions,
 853                         'default' => $tzSetting,
 854                         'size' => 20,
 855                         'section' => 'rendering/timeoffset',
 856                         'id' => 'wpTimeCorrection',
 857                 ];
 858         }
 859
 860         /**
 861          * @param MessageLocalizer $l10n
 862          * @param array &$defaultPreferences
 863          */
 864         protected function renderingPreferences( MessageLocalizer $l10n, &$defaultPreferences ) {
 865                 # # Diffs ####################################
 866                 $defaultPreferences['diffonly'] = [
 867                         'type' => 'toggle',
 868                         'section' => 'rendering/diffs',
 869                         'label-message' => 'tog-diffonly',
 870                 ];
 871                 $defaultPreferences['norollbackdiff'] = [
 872                         'type' => 'toggle',
 873                         'section' => 'rendering/diffs',
 874                         'label-message' => 'tog-norollbackdiff',
 875                 ];
 876
 877                 # # Page Rendering ##############################
 878                 if ( $this->config->get( 'AllowUserCssPrefs' ) ) {
 879                         $defaultPreferences['underline'] = [
 880                                 'type' => 'select',
 881                                 'options' => [
 882                                         $l10n->msg( 'underline-never' )->text() => 0,
 883                                         $l10n->msg( 'underline-always' )->text() => 1,
 884                                         $l10n->msg( 'underline-default' )->text() => 2,
 885                                 ],
 886                                 'label-message' => 'tog-underline',
 887                                 'section' => 'rendering/advancedrendering',
 888                         ];
 889                 }
 890
 891                 $stubThresholdValues = [ 50, 100, 500, 1000, 2000, 5000, 10000 ];
 892                 $stubThresholdOptions = [ $l10n->msg( 'stub-threshold-disabled' )->text() => 0 ];
 893                 foreach ( $stubThresholdValues as $value ) {
 894                         $stubThresholdOptions[$l10n->msg( 'size-bytes', $value )->text()] = $value;
 895                 }
 896
 897                 $defaultPreferences['stubthreshold'] = [
 898                         'type' => 'select',
 899                         'section' => 'rendering/advancedrendering',
 900                         'options' => $stubThresholdOptions,
 901                         // This is not a raw HTML message; label-raw is needed for the manual <a></a>
 902                         'label-raw' => $l10n->msg( 'stub-threshold' )->rawParams(
 903                                 '<a href="#" class="stub">' .
 904                                 $l10n->msg( 'stub-threshold-sample-link' )->parse() .
 905                                 '</a>' )->parse(),
 906                 ];
 907
 908                 $defaultPreferences['showhiddencats'] = [
 909                         'type' => 'toggle',
 910                         'section' => 'rendering/advancedrendering',
 911                         'label-message' => 'tog-showhiddencats'
 912                 ];
 913
 914                 $defaultPreferences['numberheadings'] = [
 915                         'type' => 'toggle',
 916                         'section' => 'rendering/advancedrendering',
 917                         'label-message' => 'tog-numberheadings',
 918                 ];
 919         }
 920
 921         /**
 922          * @param User $user
 923          * @param MessageLocalizer $l10n
 924          * @param array &$defaultPreferences
 925          */
 926         protected function editingPreferences( User $user, MessageLocalizer $l10n, &$defaultPreferences ) {
 927                 # # Editing #####################################
 928                 $defaultPreferences['editsectiononrightclick'] = [
 929                         'type' => 'toggle',
 930                         'section' => 'editing/advancedediting',
 931                         'label-message' => 'tog-editsectiononrightclick',
 932                 ];
 933                 $defaultPreferences['editondblclick'] = [
 934                         'type' => 'toggle',
 935                         'section' => 'editing/advancedediting',
 936                         'label-message' => 'tog-editondblclick',
 937                 ];
 938
 939                 if ( $this->config->get( 'AllowUserCssPrefs' ) ) {
 940                         $defaultPreferences['editfont'] = [
 941                                 'type' => 'select',
 942                                 'section' => 'editing/editor',
 943                                 'label-message' => 'editfont-style',
 944                                 'options' => [
 945                                         $l10n->msg( 'editfont-monospace' )->text() => 'monospace',
 946                                         $l10n->msg( 'editfont-sansserif' )->text() => 'sans-serif',
 947                                         $l10n->msg( 'editfont-serif' )->text() => 'serif',
 948                                 ]
 949                         ];
 950                 }
 951
 952                 if ( $user->isAllowed( 'minoredit' ) ) {
 953                         $defaultPreferences['minordefault'] = [
 954                                 'type' => 'toggle',
 955                                 'section' => 'editing/editor',
 956                                 'label-message' => 'tog-minordefault',
 957                         ];
 958                 }
 959
 960                 $defaultPreferences['forceeditsummary'] = [
 961                         'type' => 'toggle',
 962                         'section' => 'editing/editor',
 963                         'label-message' => 'tog-forceeditsummary',
 964                 ];
 965                 $defaultPreferences['useeditwarning'] = [
 966                         'type' => 'toggle',
 967                         'section' => 'editing/editor',
 968                         'label-message' => 'tog-useeditwarning',
 969                 ];
 970                 $defaultPreferences['showtoolbar'] = [
 971                         'type' => 'toggle',
 972                         'section' => 'editing/editor',
 973                         'label-message' => 'tog-showtoolbar',
 974                 ];
 975
 976                 $defaultPreferences['previewonfirst'] = [
 977                         'type' => 'toggle',
 978                         'section' => 'editing/preview',
 979                         'label-message' => 'tog-previewonfirst',
 980                 ];
 981                 $defaultPreferences['previewontop'] = [
 982                         'type' => 'toggle',
 983                         'section' => 'editing/preview',
 984                         'label-message' => 'tog-previewontop',
 985                 ];
 986                 $defaultPreferences['uselivepreview'] = [
 987                         'type' => 'toggle',
 988                         'section' => 'editing/preview',
 989                         'label-message' => 'tog-uselivepreview',
 990                 ];
 991         }
 992
 993         /**
 994          * @param User $user
 995          * @param MessageLocalizer $l10n
 996          * @param array &$defaultPreferences
 997          */
 998         protected function rcPreferences( User $user, MessageLocalizer $l10n, &$defaultPreferences ) {
 999                 $rcMaxAge = $this->config->get( 'RCMaxAge' );
1000                 # # RecentChanges #####################################
1001                 $defaultPreferences['rcdays'] = [
1002                         'type' => 'float',
1003                         'label-message' => 'recentchangesdays',
1004                         'section' => 'rc/displayrc',
1005                         'min' => 1,
1006                         'max' => ceil( $rcMaxAge / ( 3600 * 24 ) ),
1007                         'help' => $l10n->msg( 'recentchangesdays-max' )->numParams(
1008                                 ceil( $rcMaxAge / ( 3600 * 24 ) ) )->escaped()
1009                 ];
1010                 $defaultPreferences['rclimit'] = [
1011                         'type' => 'int',
1012                         'min' => 0,
1013                         'max' => 1000,
1014                         'label-message' => 'recentchangescount',
1015                         'help-message' => 'prefs-help-recentchangescount',
1016                         'section' => 'rc/displayrc',
1017                 ];
1018                 $defaultPreferences['usenewrc'] = [
1019                         'type' => 'toggle',
1020                         'label-message' => 'tog-usenewrc',
1021                         'section' => 'rc/advancedrc',
1022                 ];
1023                 $defaultPreferences['hideminor'] = [
1024                         'type' => 'toggle',
1025                         'label-message' => 'tog-hideminor',
1026                         'section' => 'rc/advancedrc',
1027                 ];
1028                 $defaultPreferences['rcfilters-saved-queries'] = [
1029                         'type' => 'api',
1030                 ];
1031                 $defaultPreferences['rcfilters-wl-saved-queries'] = [
1032                         'type' => 'api',
1033                 ];
1034                 // Override RCFilters preferences for RecentChanges 'limit'
1035                 $defaultPreferences['rcfilters-limit'] = [
1036                         'type' => 'api',
1037                 ];
1038                 $defaultPreferences['rcfilters-saved-queries-versionbackup'] = [
1039                         'type' => 'api',
1040                 ];
1041                 $defaultPreferences['rcfilters-wl-saved-queries-versionbackup'] = [
1042                         'type' => 'api',
1043                 ];
1044
1045                 if ( $this->config->get( 'RCWatchCategoryMembership' ) ) {
1046                         $defaultPreferences['hidecategorization'] = [
1047                                 'type' => 'toggle',
1048                                 'label-message' => 'tog-hidecategorization',
1049                                 'section' => 'rc/advancedrc',
1050                         ];
1051                 }
1052
1053                 if ( $user->useRCPatrol() ) {
1054                         $defaultPreferences['hidepatrolled'] = [
1055                                 'type' => 'toggle',
1056                                 'section' => 'rc/advancedrc',
1057                                 'label-message' => 'tog-hidepatrolled',
1058                         ];
1059                 }
1060
1061                 if ( $user->useNPPatrol() ) {
1062                         $defaultPreferences['newpageshidepatrolled'] = [
1063                                 'type' => 'toggle',
1064                                 'section' => 'rc/advancedrc',
1065                                 'label-message' => 'tog-newpageshidepatrolled',
1066                         ];
1067                 }
1068
1069                 if ( $this->config->get( 'RCShowWatchingUsers' ) ) {
1070                         $defaultPreferences['shownumberswatching'] = [
1071                                 'type' => 'toggle',
1072                                 'section' => 'rc/advancedrc',
1073                                 'label-message' => 'tog-shownumberswatching',
1074                         ];
1075                 }
1076
1077                 if ( $this->config->get( 'StructuredChangeFiltersShowPreference' ) ) {
1078                         $defaultPreferences['rcenhancedfilters-disable'] = [
1079                                 'type' => 'toggle',
1080                                 'section' => 'rc/opt-out',
1081                                 'label-message' => 'rcfilters-preference-label',
1082                                 'help-message' => 'rcfilters-preference-help',
1083                         ];
1084                 }
1085         }
1086
1087         /**
1088          * @param User $user
1089          * @param IContextSource $context
1090          * @param array &$defaultPreferences
1091          */
1092         protected function watchlistPreferences(
1093                 User $user, IContextSource $context, &$defaultPreferences
1094         ) {
1095                 $oouiEnabled = SpecialPreferences::isOouiEnabled( $context );
1096
1097                 $watchlistdaysMax = ceil( $this->config->get( 'RCMaxAge' ) / ( 3600 * 24 ) );
1098
1099                 # # Watchlist #####################################
1100                 if ( $user->isAllowed( 'editmywatchlist' ) ) {
1101                         $editWatchlistLinks = '';
1102                         $editWatchlistLinksOld = [];
1103                         $editWatchlistModes = [
1104                                 'edit' => [ 'subpage' => false, 'flags' => [] ],
1105                                 'raw' => [ 'subpage' => 'raw', 'flags' => [] ],
1106                                 'clear' => [ 'subpage' => 'clear', 'flags' => [ 'destructive' ] ],
1107                         ];
1108                         foreach ( $editWatchlistModes as $mode => $options ) {
1109                                 // Messages: prefs-editwatchlist-edit, prefs-editwatchlist-raw, prefs-editwatchlist-clear
1110                                 if ( $oouiEnabled ) {
1111                                         $editWatchlistLinks .=
1112                                                 new \OOUI\ButtonWidget( [
1113                                                         'href' => SpecialPage::getTitleFor( 'EditWatchlist', $options['subpage'] )->getLinkURL(),
1114                                                         'flags' => $options[ 'flags' ],
1115                                                         'label' => new \OOUI\HtmlSnippet(
1116                                                                 $context->msg( "prefs-editwatchlist-{$mode}" )->parse()
1117                                                         ),
1118                                                 ] );
1119                                 } else {
1120                                         $editWatchlistLinksOld[] = $this->linkRenderer->makeKnownLink(
1121                                                 SpecialPage::getTitleFor( 'EditWatchlist', $options['subpage'] ),
1122                                                 new HtmlArmor( $context->msg( "prefs-editwatchlist-{$mode}" )->parse() )
1123                                         );
1124                                 }
1125                         }
1126
1127                         $defaultPreferences['editwatchlist'] = [
1128                                 'type' => 'info',
1129                                 'raw' => true,
1130                                 'default' => $oouiEnabled ?
1131                                         $editWatchlistLinks :
1132                                         $context->getLanguage()->pipeList( $editWatchlistLinksOld ),
1133                                 'label-message' => 'prefs-editwatchlist-label',
1134                                 'section' => 'watchlist/editwatchlist',
1135                         ];
1136                 }
1137
1138                 $defaultPreferences['watchlistdays'] = [
1139                         'type' => 'float',
1140                         'min' => 0,
1141                         'max' => $watchlistdaysMax,
1142                         'section' => 'watchlist/displaywatchlist',
1143                         'help' => $context->msg( 'prefs-watchlist-days-max' )->numParams(
1144                                 $watchlistdaysMax )->escaped(),
1145                         'label-message' => 'prefs-watchlist-days',
1146                 ];
1147                 $defaultPreferences['wllimit'] = [
1148                         'type' => 'int',
1149                         'min' => 0,
1150                         'max' => 1000,
1151                         'label-message' => 'prefs-watchlist-edits',
1152                         'help' => $context->msg( 'prefs-watchlist-edits-max' )->escaped(),
1153                         'section' => 'watchlist/displaywatchlist',
1154                 ];
1155                 $defaultPreferences['extendwatchlist'] = [
1156                         'type' => 'toggle',
1157                         'section' => 'watchlist/advancedwatchlist',
1158                         'label-message' => 'tog-extendwatchlist',
1159                 ];
1160                 $defaultPreferences['watchlisthideminor'] = [
1161                         'type' => 'toggle',
1162                         'section' => 'watchlist/advancedwatchlist',
1163                         'label-message' => 'tog-watchlisthideminor',
1164                 ];
1165                 $defaultPreferences['watchlisthidebots'] = [
1166                         'type' => 'toggle',
1167                         'section' => 'watchlist/advancedwatchlist',
1168                         'label-message' => 'tog-watchlisthidebots',
1169                 ];
1170                 $defaultPreferences['watchlisthideown'] = [
1171                         'type' => 'toggle',
1172                         'section' => 'watchlist/advancedwatchlist',
1173                         'label-message' => 'tog-watchlisthideown',
1174                 ];
1175                 $defaultPreferences['watchlisthideanons'] = [
1176                         'type' => 'toggle',
1177                         'section' => 'watchlist/advancedwatchlist',
1178                         'label-message' => 'tog-watchlisthideanons',
1179                 ];
1180                 $defaultPreferences['watchlisthideliu'] = [
1181                         'type' => 'toggle',
1182                         'section' => 'watchlist/advancedwatchlist',
1183                         'label-message' => 'tog-watchlisthideliu',
1184                 ];
1185
1186                 if ( !\SpecialWatchlist::checkStructuredFilterUiEnabled(
1187                         $this->config,
1188                         $user
1189                 ) ) {
1190                         $defaultPreferences['watchlistreloadautomatically'] = [
1191                                 'type' => 'toggle',
1192                                 'section' => 'watchlist/advancedwatchlist',
1193                                 'label-message' => 'tog-watchlistreloadautomatically',
1194                         ];
1195                 }
1196
1197                 $defaultPreferences['watchlistunwatchlinks'] = [
1198                         'type' => 'toggle',
1199                         'section' => 'watchlist/advancedwatchlist',
1200                         'label-message' => 'tog-watchlistunwatchlinks',
1201                 ];
1202
1203                 if ( $this->config->get( 'RCWatchCategoryMembership' ) ) {
1204                         $defaultPreferences['watchlisthidecategorization'] = [
1205                                 'type' => 'toggle',
1206                                 'section' => 'watchlist/advancedwatchlist',
1207                                 'label-message' => 'tog-watchlisthidecategorization',
1208                         ];
1209                 }
1210
1211                 if ( $user->useRCPatrol() ) {
1212                         $defaultPreferences['watchlisthidepatrolled'] = [
1213                                 'type' => 'toggle',
1214                                 'section' => 'watchlist/advancedwatchlist',
1215                                 'label-message' => 'tog-watchlisthidepatrolled',
1216                         ];
1217                 }
1218
1219                 $watchTypes = [
1220                         'edit' => 'watchdefault',
1221                         'move' => 'watchmoves',
1222                         'delete' => 'watchdeletion'
1223                 ];
1224
1225                 // Kinda hacky
1226                 if ( $user->isAllowed( 'createpage' ) || $user->isAllowed( 'createtalk' ) ) {
1227                         $watchTypes['read'] = 'watchcreations';
1228                 }
1229
1230                 if ( $user->isAllowed( 'rollback' ) ) {
1231                         $watchTypes['rollback'] = 'watchrollback';
1232                 }
1233
1234                 if ( $user->isAllowed( 'upload' ) ) {
1235                         $watchTypes['upload'] = 'watchuploads';
1236                 }
1237
1238                 foreach ( $watchTypes as $action => $pref ) {
1239                         if ( $user->isAllowed( $action ) ) {
1240                                 // Messages:
1241                                 // tog-watchdefault, tog-watchmoves, tog-watchdeletion, tog-watchcreations, tog-watchuploads
1242                                 // tog-watchrollback
1243                                 $defaultPreferences[$pref] = [
1244                                         'type' => 'toggle',
1245                                         'section' => 'watchlist/advancedwatchlist',
1246                                         'label-message' => "tog-$pref",
1247                                 ];
1248                         }
1249                 }
1250
1251                 $defaultPreferences['watchlisttoken'] = [
1252                         'type' => 'api',
1253                 ];
1254
1255                 if ( $oouiEnabled ) {
1256                         $tokenButton = new \OOUI\ButtonWidget( [
1257                                 'href' => SpecialPage::getTitleFor( 'ResetTokens' )->getLinkURL( [
1258                                         'returnto' => SpecialPage::getTitleFor( 'Preferences' )->getPrefixedText()
1259                                 ] ),
1260                                 'label' => $context->msg( 'prefs-watchlist-managetokens' )->text(),
1261                         ] );
1262                         $defaultPreferences['watchlisttoken-info'] = [
1263                                 'type' => 'info',
1264                                 'section' => 'watchlist/tokenwatchlist',
1265                                 'label-message' => 'prefs-watchlist-token',
1266                                 'help-message' => 'prefs-help-tokenmanagement',
1267                                 'raw' => true,
1268                                 'default' => (string)$tokenButton,
1269                         ];
1270                 } else {
1271                         $defaultPreferences['watchlisttoken-info'] = [
1272                                 'type' => 'info',
1273                                 'section' => 'watchlist/tokenwatchlist',
1274                                 'label-message' => 'prefs-watchlist-token',
1275                                 'default' => $user->getTokenFromOption( 'watchlisttoken' ),
1276                                 'help-message' => 'prefs-help-watchlist-token2',
1277                         ];
1278                 }
1279         }
1280
1281         /**
1282          * @param array &$defaultPreferences
1283          */
1284         protected function searchPreferences( &$defaultPreferences ) {
1285                 foreach ( MWNamespace::getValidNamespaces() as $n ) {
1286                         $defaultPreferences['searchNs' . $n] = [
1287                                 'type' => 'api',
1288                         ];
1289                 }
1290         }
1291
1292         /**
1293          * @param User $user The User object
1294          * @param IContextSource $context
1295          * @return array Text/links to display as key; $skinkey as value
1296          */
1297         protected function generateSkinOptions( User $user, IContextSource $context ) {
1298                 $ret = [];
1299
1300                 $mptitle = Title::newMainPage();
1301                 $previewtext = $context->msg( 'skin-preview' )->escaped();
1302
1303                 # Only show skins that aren't disabled in $wgSkipSkins
1304                 $validSkinNames = Skin::getAllowedSkins();
1305
1306                 foreach ( $validSkinNames as $skinkey => &$skinname ) {
1307                         $msg = $context->msg( "skinname-{$skinkey}" );
1308                         if ( $msg->exists() ) {
1309                                 $skinname = htmlspecialchars( $msg->text() );
1310                         }
1311                 }
1312
1313                 $defaultSkin = $this->config->get( 'DefaultSkin' );
1314                 $allowUserCss = $this->config->get( 'AllowUserCss' );
1315                 $allowUserJs = $this->config->get( 'AllowUserJs' );
1316
1317                 # Sort by the internal name, so that the ordering is the same for each display language,
1318                 # especially if some skin names are translated to use a different alphabet and some are not.
1319                 uksort( $validSkinNames, function ( $a, $b ) use ( $defaultSkin ) {
1320                         # Display the default first in the list by comparing it as lesser than any other.
1321                         if ( strcasecmp( $a, $defaultSkin ) === 0 ) {
1322                                 return -1;
1323                         }
1324                         if ( strcasecmp( $b, $defaultSkin ) === 0 ) {
1325                                 return 1;
1326                         }
1327                         return strcasecmp( $a, $b );
1328                 } );
1329
1330                 $foundDefault = false;
1331                 foreach ( $validSkinNames as $skinkey => $sn ) {
1332                         $linkTools = [];
1333
1334                         # Mark the default skin
1335                         if ( strcasecmp( $skinkey, $defaultSkin ) === 0 ) {
1336                                 $linkTools[] = $context->msg( 'default' )->escaped();
1337                                 $foundDefault = true;
1338                         }
1339
1340                         # Create preview link
1341                         $mplink = htmlspecialchars( $mptitle->getLocalURL( [ 'useskin' => $skinkey ] ) );
1342                         $linkTools[] = "<a target='_blank' href=\"$mplink\">$previewtext</a>";
1343
1344                         # Create links to user CSS/JS pages
1345                         if ( $allowUserCss ) {
1346                                 $cssPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/' . $skinkey . '.css' );
1347                                 $cssLinkText = $context->msg( 'prefs-custom-css' )->text();
1348                                 $linkTools[] = $this->linkRenderer->makeLink( $cssPage, $cssLinkText );
1349                         }
1350
1351                         if ( $allowUserJs ) {
1352                                 $jsPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/' . $skinkey . '.js' );
1353                                 $jsLinkText = $context->msg( 'prefs-custom-js' )->text();
1354                                 $linkTools[] = $this->linkRenderer->makeLink( $jsPage, $jsLinkText );
1355                         }
1356
1357                         $display = $sn . ' ' . $context->msg( 'parentheses' )
1358                                 ->rawParams( $context->getLanguage()->pipeList( $linkTools ) )
1359                                 ->escaped();
1360                         $ret[$display] = $skinkey;
1361                 }
1362
1363                 if ( !$foundDefault ) {
1364                         // If the default skin is not available, things are going to break horribly because the
1365                         // default value for skin selector will not be a valid value. Let's just not show it then.
1366                         return [];
1367                 }
1368
1369                 return $ret;
1370         }
1371
1372         /**
1373          * @param IContextSource $context
1374          * @return array
1375          */
1376         protected function getDateOptions( IContextSource $context ) {
1377                 $lang = $context->getLanguage();
1378                 $dateopts = $lang->getDatePreferences();
1379
1380                 $ret = [];
1381
1382                 if ( $dateopts ) {
1383                         if ( !in_array( 'default', $dateopts ) ) {
1384                                 $dateopts[] = 'default'; // Make sure default is always valid T21237
1385                         }
1386
1387                         // FIXME KLUGE: site default might not be valid for user language
1388                         global $wgDefaultUserOptions;
1389                         if ( !in_array( $wgDefaultUserOptions['date'], $dateopts ) ) {
1390                                 $wgDefaultUserOptions['date'] = 'default';
1391                         }
1392
1393                         $epoch = wfTimestampNow();
1394                         foreach ( $dateopts as $key ) {
1395                                 if ( $key == 'default' ) {
1396                                         $formatted = $context->msg( 'datedefault' )->escaped();
1397                                 } else {
1398                                         $formatted = htmlspecialchars( $lang->timeanddate( $epoch, false, $key ) );
1399                                 }
1400                                 $ret[$formatted] = $key;
1401                         }
1402                 }
1403                 return $ret;
1404         }
1405
1406         /**
1407          * @param MessageLocalizer $l10n
1408          * @return array
1409          */
1410         protected function getImageSizes( MessageLocalizer $l10n ) {
1411                 $ret = [];
1412                 $pixels = $l10n->msg( 'unit-pixel' )->text();
1413
1414                 foreach ( $this->config->get( 'ImageLimits' ) as $index => $limits ) {
1415                         // Note: A left-to-right marker (\u200e) is inserted, see T144386
1416                         $display = "{$limits[0]}" . json_decode( '"\u200e"' ) . "×{$limits[1]}" . $pixels;
1417                         $ret[$display] = $index;
1418                 }
1419
1420                 return $ret;
1421         }
1422
1423         /**
1424          * @param MessageLocalizer $l10n
1425          * @return array
1426          */
1427         protected function getThumbSizes( MessageLocalizer $l10n ) {
1428                 $ret = [];
1429                 $pixels = $l10n->msg( 'unit-pixel' )->text();
1430
1431                 foreach ( $this->config->get( 'ThumbLimits' ) as $index => $size ) {
1432                         $display = $size . $pixels;
1433                         $ret[$display] = $index;
1434                 }
1435
1436                 return $ret;
1437         }
1438
1439         /**
1440          * @param string $signature
1441          * @param array $alldata
1442          * @param HTMLForm $form
1443          * @return bool|string
1444          */
1445         protected function validateSignature( $signature, $alldata, HTMLForm $form ) {
1446                 $maxSigChars = $this->config->get( 'MaxSigChars' );
1447                 if ( mb_strlen( $signature ) > $maxSigChars ) {
1448                         return Xml::element( 'span', [ 'class' => 'error' ],
1449                                 $form->msg( 'badsiglength' )->numParams( $maxSigChars )->text() );
1450                 } elseif ( isset( $alldata['fancysig'] ) &&
1451                                 $alldata['fancysig'] &&
1452                                 MediaWikiServices::getInstance()->getParser()->validateSig( $signature ) === false
1453                 ) {
1454                         return Xml::element(
1455                                 'span',
1456                                 [ 'class' => 'error' ],
1457                                 $form->msg( 'badsig' )->text()
1458                         );
1459                 } else {
1460                         return true;
1461                 }
1462         }
1463
1464         /**
1465          * @param string $signature
1466          * @param array $alldata
1467          * @param HTMLForm $form
1468          * @return string
1469          */
1470         protected function cleanSignature( $signature, $alldata, HTMLForm $form ) {
1471                 $parser = MediaWikiServices::getInstance()->getParser();
1472                 if ( isset( $alldata['fancysig'] ) && $alldata['fancysig'] ) {
1473                         $signature = $parser->cleanSig( $signature );
1474                 } else {
1475                         // When no fancy sig used, make sure ~{3,5} get removed.
1476                         $signature = Parser::cleanSigInSig( $signature );
1477                 }
1478
1479                 return $signature;
1480         }
1481
1482         /**
1483          * @param User $user
1484          * @param IContextSource $context
1485          * @param string $formClass
1486          * @param array $remove Array of items to remove
1487          * @return PreferencesForm
1488          */
1489         public function getForm(
1490                 User $user,
1491                 IContextSource $context,
1492                 $formClass = PreferencesFormOOUI::class,
1493                 array $remove = []
1494         ) {
1495                 if ( SpecialPreferences::isOouiEnabled( $context ) ) {
1496                         // We use ButtonWidgets in some of the getPreferences() functions
1497                         $context->getOutput()->enableOOUI();
1498                 }
1499
1500                 $formDescriptor = $this->getFormDescriptor( $user, $context );
1501                 if ( count( $remove ) ) {
1502                         $removeKeys = array_flip( $remove );
1503                         $formDescriptor = array_diff_key( $formDescriptor, $removeKeys );
1504                 }
1505
1506                 // Remove type=api preferences. They are not intended for rendering in the form.
1507                 foreach ( $formDescriptor as $name => $info ) {
1508                         if ( isset( $info['type'] ) && $info['type'] === 'api' ) {
1509                                 unset( $formDescriptor[$name] );
1510                         }
1511                 }
1512
1513                 /**
1514                  * @var $htmlForm PreferencesForm
1515                  */
1516                 $htmlForm = new $formClass( $formDescriptor, $context, 'prefs' );
1517
1518                 $htmlForm->setModifiedUser( $user );
1519                 $htmlForm->setId( 'mw-prefs-form' );
1520                 $htmlForm->setAutocomplete( 'off' );
1521                 $htmlForm->setSubmitText( $context->msg( 'saveprefs' )->text() );
1522                 # Used message keys: 'accesskey-preferences-save', 'tooltip-preferences-save'
1523                 $htmlForm->setSubmitTooltip( 'preferences-save' );
1524                 $htmlForm->setSubmitID( 'prefcontrol' );
1525                 $htmlForm->setSubmitCallback( function ( array $formData, PreferencesForm $form ) {
1526                         return $this->submitForm( $formData, $form );
1527                 } );
1528
1529                 return $htmlForm;
1530         }
1531
1532         /**
1533          * @param IContextSource $context
1534          * @return array
1535          */
1536         protected function getTimezoneOptions( IContextSource $context ) {
1537                 $opt = [];
1538
1539                 $localTZoffset = $this->config->get( 'LocalTZoffset' );
1540                 $timeZoneList = $this->getTimeZoneList( $context->getLanguage() );
1541
1542                 $timestamp = MWTimestamp::getLocalInstance();
1543                 // Check that the LocalTZoffset is the same as the local time zone offset
1544                 if ( $localTZoffset == $timestamp->format( 'Z' ) / 60 ) {
1545                         $timezoneName = $timestamp->getTimezone()->getName();
1546                         // Localize timezone
1547                         if ( isset( $timeZoneList[$timezoneName] ) ) {
1548                                 $timezoneName = $timeZoneList[$timezoneName]['name'];
1549                         }
1550                         $server_tz_msg = $context->msg(
1551                                 'timezoneuseserverdefault',
1552                                 $timezoneName
1553                         )->text();
1554                 } else {
1555                         $tzstring = sprintf(
1556                                 '%+03d:%02d',
1557                                 floor( $localTZoffset / 60 ),
1558                                 abs( $localTZoffset ) % 60
1559                         );
1560                         $server_tz_msg = $context->msg( 'timezoneuseserverdefault', $tzstring )->text();
1561                 }
1562                 $opt[$server_tz_msg] = "System|$localTZoffset";
1563                 $opt[$context->msg( 'timezoneuseoffset' )->text()] = 'other';
1564                 $opt[$context->msg( 'guesstimezone' )->text()] = 'guess';
1565
1566                 foreach ( $timeZoneList as $timeZoneInfo ) {
1567                         $region = $timeZoneInfo['region'];
1568                         if ( !isset( $opt[$region] ) ) {
1569                                 $opt[$region] = [];
1570                         }
1571                         $opt[$region][$timeZoneInfo['name']] = $timeZoneInfo['timecorrection'];
1572                 }
1573                 return $opt;
1574         }
1575
1576         /**
1577          * @param string $tz
1578          * @param array $alldata
1579          * @return string
1580          */
1581         protected function filterTimezoneInput( $tz, array $alldata ) {
1582                 $data = explode( '|', $tz, 3 );
1583                 switch ( $data[0] ) {
1584                         case 'ZoneInfo':
1585                                 $valid = false;
1586
1587                                 if ( count( $data ) === 3 ) {
1588                                         // Make sure this timezone exists
1589                                         try {
1590                                                 new DateTimeZone( $data[2] );
1591                                                 // If the constructor didn't throw, we know it's valid
1592                                                 $valid = true;
1593                                         } catch ( Exception $e ) {
1594                                                 // Not a valid timezone
1595                                         }
1596                                 }
1597
1598                                 if ( !$valid ) {
1599                                         // If the supplied timezone doesn't exist, fall back to the encoded offset
1600                                         return 'Offset|' . intval( $tz[1] );
1601                                 }
1602                                 return $tz;
1603                         case 'System':
1604                                 return $tz;
1605                         default:
1606                                 $data = explode( ':', $tz, 2 );
1607                                 if ( count( $data ) == 2 ) {
1608                                         $data[0] = intval( $data[0] );
1609                                         $data[1] = intval( $data[1] );
1610                                         $minDiff = abs( $data[0] ) * 60 + $data[1];
1611                                         if ( $data[0] < 0 ) {
1612                                                 $minDiff = - $minDiff;
1613                                         }
1614                                 } else {
1615                                         $minDiff = intval( $data[0] ) * 60;
1616                                 }
1617
1618                                 # Max is +14:00 and min is -12:00, see:
1619                                 # https://en.wikipedia.org/wiki/Timezone
1620                                 $minDiff = min( $minDiff, 840 );  # 14:00
1621                                 $minDiff = max( $minDiff, -720 ); # -12:00
1622                                 return 'Offset|' . $minDiff;
1623                 }
1624         }
1625
1626         /**
1627          * Handle the form submission if everything validated properly
1628          *
1629          * @param array $formData
1630          * @param PreferencesForm $form
1631          * @return bool|Status|string
1632          */
1633         protected function saveFormData( $formData, PreferencesForm $form ) {
1634                 $user = $form->getModifiedUser();
1635                 $hiddenPrefs = $this->config->get( 'HiddenPrefs' );
1636                 $result = true;
1637
1638                 if ( !$user->isAllowedAny( 'editmyprivateinfo', 'editmyoptions' ) ) {
1639                         return Status::newFatal( 'mypreferencesprotected' );
1640                 }
1641
1642                 // Filter input
1643                 foreach ( array_keys( $formData ) as $name ) {
1644                         $filters = $this->getSaveFilters();
1645                         if ( isset( $filters[$name] ) ) {
1646                                 $formData[$name] = call_user_func( $filters[$name], $formData[$name], $formData );
1647                         }
1648                 }
1649
1650                 // Fortunately, the realname field is MUCH simpler
1651                 // (not really "private", but still shouldn't be edited without permission)
1652
1653                 if ( !in_array( 'realname', $hiddenPrefs )
1654                         && $user->isAllowed( 'editmyprivateinfo' )
1655                         && array_key_exists( 'realname', $formData )
1656                 ) {
1657                         $realName = $formData['realname'];
1658                         $user->setRealName( $realName );
1659                 }
1660
1661                 if ( $user->isAllowed( 'editmyoptions' ) ) {
1662                         $oldUserOptions = $user->getOptions();
1663
1664                         foreach ( $this->getSaveBlacklist() as $b ) {
1665                                 unset( $formData[$b] );
1666                         }
1667
1668                         # If users have saved a value for a preference which has subsequently been disabled
1669                         # via $wgHiddenPrefs, we don't want to destroy that setting in case the preference
1670                         # is subsequently re-enabled
1671                         foreach ( $hiddenPrefs as $pref ) {
1672                                 # If the user has not set a non-default value here, the default will be returned
1673                                 # and subsequently discarded
1674                                 $formData[$pref] = $user->getOption( $pref, null, true );
1675                         }
1676
1677                         // If the user changed the rclimit preference, also change the rcfilters-rclimit preference
1678                         if (
1679                                 isset( $formData['rclimit'] ) &&
1680                                 intval( $formData[ 'rclimit' ] ) !== $user->getIntOption( 'rclimit' )
1681                         ) {
1682                                 $formData['rcfilters-limit'] = $formData['rclimit'];
1683                         }
1684
1685                         // Keep old preferences from interfering due to back-compat code, etc.
1686                         $user->resetOptions( 'unused', $form->getContext() );
1687
1688                         foreach ( $formData as $key => $value ) {
1689                                 $user->setOption( $key, $value );
1690                         }
1691
1692                         Hooks::run(
1693                                 'PreferencesFormPreSave',
1694                                 [ $formData, $form, $user, &$result, $oldUserOptions ]
1695                         );
1696                 }
1697
1698                 AuthManager::callLegacyAuthPlugin( 'updateExternalDB', [ $user ] );
1699                 $user->saveSettings();
1700
1701                 return $result;
1702         }
1703
1704         /**
1705          * DO NOT USE. Temporary function to punch hole for the Preferences class.
1706          *
1707          * @deprecated since 1.31, its inception
1708          *
1709          * @param array $formData
1710          * @param PreferencesForm $form
1711          * @return bool|Status|string
1712          */
1713         public function legacySaveFormData( $formData, PreferencesForm $form ) {
1714                 return $this->saveFormData( $formData, $form );
1715         }
1716
1717         /**
1718          * Save the form data and reload the page
1719          *
1720          * @param array $formData
1721          * @param PreferencesForm $form
1722          * @return Status
1723          */
1724         protected function submitForm( array $formData, PreferencesForm $form ) {
1725                 $res = $this->saveFormData( $formData, $form );
1726
1727                 if ( $res ) {
1728                         $context = $form->getContext();
1729
1730                         $urlOptions = [];
1731
1732                         if ( $res === 'eauth' ) {
1733                                 $urlOptions['eauth'] = 1;
1734                         }
1735
1736                         if (
1737                                 $context->getRequest()->getFuzzyBool( 'ooui' ) !==
1738                                 $context->getConfig()->get( 'OOUIPreferences' )
1739                         ) {
1740                                 $urlOptions[ 'ooui' ] = $context->getRequest()->getFuzzyBool( 'ooui' ) ? 1 : 0;
1741                         }
1742
1743                         $urlOptions += $form->getExtraSuccessRedirectParameters();
1744
1745                         $url = $form->getTitle()->getFullURL( $urlOptions );
1746
1747                         // Set session data for the success message
1748                         $context->getRequest()->getSession()->set( 'specialPreferencesSaveSuccess', 1 );
1749
1750                         $context->getOutput()->redirect( $url );
1751                 }
1752
1753                 return Status::newGood();
1754         }
1755
1756         /**
1757          * DO NOT USE. Temporary function to punch hole for the Preferences class.
1758          *
1759          * @deprecated since 1.31, its inception
1760          *
1761          * @param array $formData
1762          * @param PreferencesForm $form
1763          * @return Status
1764          */
1765         public function legacySubmitForm( array $formData, PreferencesForm $form ) {
1766                 return $this->submitForm( $formData, $form );
1767         }
1768
1769         /**
1770          * Get a list of all time zones
1771          * @param Language $language Language used for the localized names
1772          * @return array A list of all time zones. The system name of the time zone is used as key and
1773          *  the value is an array which contains localized name, the timecorrection value used for
1774          *  preferences and the region
1775          * @since 1.26
1776          */
1777         protected function getTimeZoneList( Language $language ) {
1778                 $identifiers = DateTimeZone::listIdentifiers();
1779                 if ( $identifiers === false ) {
1780                         return [];
1781                 }
1782                 sort( $identifiers );
1783
1784                 $tzRegions = [
1785                         'Africa' => wfMessage( 'timezoneregion-africa' )->inLanguage( $language )->text(),
1786                         'America' => wfMessage( 'timezoneregion-america' )->inLanguage( $language )->text(),
1787                         'Antarctica' => wfMessage( 'timezoneregion-antarctica' )->inLanguage( $language )->text(),
1788                         'Arctic' => wfMessage( 'timezoneregion-arctic' )->inLanguage( $language )->text(),
1789                         'Asia' => wfMessage( 'timezoneregion-asia' )->inLanguage( $language )->text(),
1790                         'Atlantic' => wfMessage( 'timezoneregion-atlantic' )->inLanguage( $language )->text(),
1791                         'Australia' => wfMessage( 'timezoneregion-australia' )->inLanguage( $language )->text(),
1792                         'Europe' => wfMessage( 'timezoneregion-europe' )->inLanguage( $language )->text(),
1793                         'Indian' => wfMessage( 'timezoneregion-indian' )->inLanguage( $language )->text(),
1794                         'Pacific' => wfMessage( 'timezoneregion-pacific' )->inLanguage( $language )->text(),
1795                 ];
1796                 asort( $tzRegions );
1797
1798                 $timeZoneList = [];
1799
1800                 $now = new DateTime();
1801
1802                 foreach ( $identifiers as $identifier ) {
1803                         $parts = explode( '/', $identifier, 2 );
1804
1805                         // DateTimeZone::listIdentifiers() returns a number of
1806                         // backwards-compatibility entries. This filters them out of the
1807                         // list presented to the user.
1808                         if ( count( $parts ) !== 2 || !array_key_exists( $parts[0], $tzRegions ) ) {
1809                                 continue;
1810                         }
1811
1812                         // Localize region
1813                         $parts[0] = $tzRegions[$parts[0]];
1814
1815                         $dateTimeZone = new DateTimeZone( $identifier );
1816                         $minDiff = floor( $dateTimeZone->getOffset( $now ) / 60 );
1817
1818                         $display = str_replace( '_', ' ', $parts[0] . '/' . $parts[1] );
1819                         $value = "ZoneInfo|$minDiff|$identifier";
1820
1821                         $timeZoneList[$identifier] = [
1822                                 'name' => $display,
1823                                 'timecorrection' => $value,
1824                                 'region' => $parts[0],
1825                         ];
1826                 }
1827
1828                 return $timeZoneList;
1829         }
1830 }