includes/installer/WebInstallerPage.php

   1 <?php
   2 /**
   3  * Base code for web installer pages.
   4  *
   5  * @file
   6  * @ingroup Deployment
   7  */
   8
   9 /**
  10  * Abstract class to define pages for the web installer.
  11  *
  12  * @ingroup Deployment
  13  * @since 1.17
  14  */
  15 abstract class WebInstallerPage {
  16
  17         /**
  18          * The WebInstaller object this WebInstallerPage belongs to.
  19          *
  20          * @var WebInstaller
  21          */
  22         public $parent;
  23
  24         public abstract function execute();
  25
  26         /**
  27          * Constructor.
  28          *
  29          * @param $parent WebInstaller
  30          */
  31         public function __construct( WebInstaller $parent ) {
  32                 $this->parent = $parent;
  33         }
  34
  35         public function addHTML( $html ) {
  36                 $this->parent->output->addHTML( $html );
  37         }
  38
  39         public function startForm() {
  40                 $this->addHTML(
  41                         "<div class=\"config-section\">\n" .
  42                         Html::openElement(
  43                                 'form',
  44                                 array(
  45                                         'method' => 'post',
  46                                         'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
  47                                 )
  48                         ) . "\n"
  49                 );
  50         }
  51
  52         public function endForm( $continue = 'continue', $back = 'back' ) {
  53                 $s = "<div class=\"config-submit\">\n";
  54                 $id = $this->getId();
  55
  56                 if ( $id === false ) {
  57                         $s .= Html::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
  58                 }
  59
  60                 if ( $continue ) {
  61                         // Fake submit button for enter keypress (bug 26267)
  62                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
  63                                 array( 'name' => "enter-$continue", 'style' => 'visibility:hidden;overflow:hidden;width:1px;margin:0' ) ) . "\n";
  64                 }
  65
  66                 if ( $back ) {
  67                         $s .= Xml::submitButton( wfMsg( "config-$back" ),
  68                                 array(
  69                                         'name' => "submit-$back",
  70                                         'tabindex' => $this->parent->nextTabIndex()
  71                                 ) ) . "\n";
  72                 }
  73
  74                 if ( $continue ) {
  75                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
  76                                 array(
  77                                         'name' => "submit-$continue",
  78                                         'tabindex' => $this->parent->nextTabIndex(),
  79                                 ) ) . "\n";
  80                 }
  81
  82                 $s .= "</div></form></div>\n";
  83                 $this->addHTML( $s );
  84         }
  85
  86         public function getName() {
  87                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
  88         }
  89
  90         protected function getId() {
  91                 return array_search( $this->getName(), $this->parent->pageSequence );
  92         }
  93
  94         public function getVar( $var ) {
  95                 return $this->parent->getVar( $var );
  96         }
  97
  98         public function setVar( $name, $value ) {
  99                 $this->parent->setVar( $name, $value );
 100         }
 101
 102         /**
 103          * Get the starting tags of a fieldset.
 104          *
 105          * @param $legend String: message name
 106          */
 107         protected function getFieldsetStart( $legend ) {
 108                 return "\n<fieldset><legend>" . wfMsgHtml( $legend ) . "</legend>\n";
 109         }
 110
 111         /**
 112          * Get the end tag of a fieldset.
 113          */
 114         protected function getFieldsetEnd() {
 115                 return "</fieldset>\n";
 116         }
 117
 118         /**
 119          * Opens a textarea used to display the progress of a long operation
 120          */
 121         protected function startLiveBox() {
 122                 $this->addHTML(
 123                         '<div id="config-spinner" style="display:none;"><img src="../skins/common/images/ajax-loader.gif" /></div>' .
 124                         '<script>jQuery( "#config-spinner" ).show();</script>' .
 125                         '<textarea id="config-live-log" name="LiveLog" rows="10" cols="30" readonly="readonly">'
 126                 );
 127                 $this->parent->output->flush();
 128         }
 129
 130         /**
 131          * Opposite to startLiveBox()
 132          */
 133         protected function endLiveBox() {
 134                 $this->addHTML( '</textarea>
 135 <script>jQuery( "#config-spinner" ).hide()</script>' );
 136                 $this->parent->output->flush();
 137         }
 138 }
 139
 140 class WebInstaller_Language extends WebInstallerPage {
 141
 142         public function execute() {
 143                 global $wgLang;
 144                 $r = $this->parent->request;
 145                 $userLang = $r->getVal( 'UserLang' );
 146                 $contLang = $r->getVal( 'ContLang' );
 147
 148                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 149                 if ( !$lifetime ) {
 150                         $lifetime = 1440; // PHP default
 151                 }
 152
 153                 if ( $r->wasPosted() ) {
 154                         # Do session test
 155                         if ( $this->parent->getSession( 'test' ) === null ) {
 156                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 157                                 if ( !$requestTime ) {
 158                                         // The most likely explanation is that the user was knocked back
 159                                         // from another page on POST due to session expiry
 160                                         $msg = 'config-session-expired';
 161                                 } elseif ( time() - $requestTime > $lifetime ) {
 162                                         $msg = 'config-session-expired';
 163                                 } else {
 164                                         $msg = 'config-no-session';
 165                                 }
 166                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 167                         } else {
 168                                 $languages = Language::getLanguageNames();
 169                                 if ( isset( $languages[$userLang] ) ) {
 170                                         $this->setVar( '_UserLang', $userLang );
 171                                 }
 172                                 if ( isset( $languages[$contLang] ) ) {
 173                                         $this->setVar( 'wgLanguageCode', $contLang );
 174                                 }
 175                                 return 'continue';
 176                         }
 177                 } elseif ( $this->parent->showSessionWarning ) {
 178                         # The user was knocked back from another page to the start
 179                         # This probably indicates a session expiry
 180                         $this->parent->showError( 'config-session-expired', $wgLang->formatTimePeriod( $lifetime ) );
 181                 }
 182
 183                 $this->parent->setSession( 'test', true );
 184
 185                 if ( !isset( $languages[$userLang] ) ) {
 186                         $userLang = $this->getVar( '_UserLang', 'en' );
 187                 }
 188                 if ( !isset( $languages[$contLang] ) ) {
 189                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 190                 }
 191                 $this->startForm();
 192                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 193                         $this->getLanguageSelector( 'UserLang', 'config-your-language', $userLang, $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 194                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang, $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 195                 $this->addHTML( $s );
 196                 $this->endForm( 'continue', false );
 197         }
 198
 199         /**
 200          * Get a <select> for selecting languages.
 201          */
 202         public function getLanguageSelector( $name, $label, $selectedCode ) {
 203                 global $wgDummyLanguageCodes;
 204                 $s = Html::openElement( 'select', array( 'id' => $name, 'name' => $name ) ) . "\n";
 205
 206                 $languages = Language::getLanguageNames();
 207                 ksort( $languages );
 208                 $dummies = array_flip( $wgDummyLanguageCodes );
 209                 foreach ( $languages as $code => $lang ) {
 210                         if ( isset( $dummies[$code] ) ) continue;
 211                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 212                 }
 213                 $s .= "\n</select>\n";
 214                 return $this->parent->label( $label, $name, $s );
 215         }
 216
 217 }
 218
 219 class WebInstaller_ExistingWiki extends WebInstallerPage {
 220         public function execute() {
 221                 // If there is no LocalSettings.php, continue to the installer welcome page
 222                 $vars = Installer::getExistingLocalSettings();
 223                 if ( !$vars ) {
 224                         return 'skip';
 225                 }
 226
 227                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 228                 if ( $vars['wgUpgradeKey'] !== false
 229                         && $this->getVar( '_UpgradeKeySupplied' )
 230                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 231                 {
 232                         // It's there, so the user is authorized
 233                         $status = $this->handleExistingUpgrade( $vars );
 234                         if ( $status->isOK() ) {
 235                                 return 'skip';
 236                         } else {
 237                                 $this->startForm();
 238                                 $this->parent->showStatusBox( $status );
 239                                 $this->endForm( 'continue' );
 240                                 return 'output';
 241                         }
 242                 }
 243
 244                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 245                 if ( $vars['wgUpgradeKey'] === false ) {
 246                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 247                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 248                                 $this->parent->generateKeys();
 249                                 $this->setVar( 'wgSecretKey', $secretKey );
 250                                 $this->setVar( '_UpgradeKeySupplied', true );
 251                         }
 252                         $this->startForm();
 253                         $this->addHTML( $this->parent->getInfoBox(
 254                                 wfMsgNoTrans( 'config-upgrade-key-missing',
 255                                         "<pre>\$wgUpgradeKey = '" . $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )
 256                         ) );
 257                         $this->endForm( 'continue' );
 258                         return 'output';
 259                 }
 260
 261                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 262
 263                 $r = $this->parent->request;
 264                 if ( $r->wasPosted() ) {
 265                         $key = $r->getText( 'config_wgUpgradeKey' );
 266                         if( !$key || $key !== $vars['wgUpgradeKey'] ) {
 267                                 $this->parent->showError( 'config-localsettings-badkey' );
 268                                 $this->showKeyForm();
 269                                 return 'output';
 270                         }
 271                         // Key was OK
 272                         $status = $this->handleExistingUpgrade( $vars );
 273                         if ( $status->isOK() ) {
 274                                 return 'continue';
 275                         } else {
 276                                 $this->parent->showStatusBox( $status );
 277                                 $this->showKeyForm();
 278                                 return 'output';
 279                         }
 280                 } else {
 281                         $this->showKeyForm();
 282                         return 'output';
 283                 }
 284         }
 285
 286         /**
 287          * Show the "enter key" form
 288          */
 289         protected function showKeyForm() {
 290                 $this->startForm();
 291                 $this->addHTML(
 292                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-localsettings-upgrade' ) ).
 293                         '<br />' .
 294                         $this->parent->getTextBox( array(
 295                                 'var' => 'wgUpgradeKey',
 296                                 'label' => 'config-localsettings-key',
 297                                 'attribs' => array( 'autocomplete' => 'off' ),
 298                         ) )
 299                 );
 300                 $this->endForm( 'continue' );
 301         }
 302
 303         protected function importVariables( $names, $vars ) {
 304                 $status = Status::newGood();
 305                 foreach ( $names as $name ) {
 306                         if ( !isset( $vars[$name] ) ) {
 307                                 $status->fatal( 'config-localsettings-incomplete', $name );
 308                         }
 309                         $this->setVar( $name, $vars[$name] );
 310                 }
 311                 return $status;
 312         }
 313
 314         /**
 315          * Initiate an upgrade of the existing database
 316          * @param $vars Variables from LocalSettings.php and AdminSettings.php
 317          * @return Status
 318          */
 319         protected function handleExistingUpgrade( $vars ) {
 320                 // Check $wgDBtype
 321                 if ( !isset( $vars['wgDBtype'] ) || !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 322                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 323                 }
 324
 325                 // Set the relevant variables from LocalSettings.php
 326                 $requiredVars = array( 'wgDBtype' );
 327                 $status = $this->importVariables( $requiredVars , $vars );
 328                 $installer = $this->parent->getDBInstaller();
 329                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 330                 if ( !$status->isOK() ) {
 331                         return $status;
 332                 }
 333
 334                 if ( isset( $vars['wgDBadminuser'] ) ) {
 335                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 336                 } else {
 337                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 338                 }
 339                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 340                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 341                 } else {
 342                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 343                 }
 344
 345                 // Test the database connection
 346                 $status = $installer->getConnection();
 347                 if ( !$status->isOK() ) {
 348                         // Adjust the error message to explain things correctly
 349                         $status->replaceMessage( 'config-connection-error',
 350                                 'config-localsettings-connection-error' );
 351                         return $status;
 352                 }
 353
 354                 // All good
 355                 $this->setVar( '_ExistingDBSettings', true );
 356                 return $status;
 357         }
 358 }
 359
 360 class WebInstaller_Welcome extends WebInstallerPage {
 361
 362         public function execute() {
 363                 if ( $this->parent->request->wasPosted() ) {
 364                         if ( $this->getVar( '_Environment' ) ) {
 365                                 return 'continue';
 366                         }
 367                 }
 368                 $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
 369                 $status = $this->parent->doEnvironmentChecks();
 370                 if ( $status->isGood() ) {
 371                         $this->parent->output->addHTML( '<span class="success-message">' .
 372                                 wfMsgHtml( 'config-env-good' ) . '</span>' );
 373                         $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright',
 374                                 SpecialVersion::getCopyrightAndAuthorList() ) );
 375                         $this->startForm();
 376                         $this->endForm();
 377                 } else {
 378                         $this->parent->showStatusMessage( $status );
 379                 }
 380         }
 381
 382 }
 383
 384 class WebInstaller_DBConnect extends WebInstallerPage {
 385
 386         public function execute() {
 387                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 388                         return 'skip';
 389                 }
 390
 391                 $r = $this->parent->request;
 392                 if ( $r->wasPosted() ) {
 393                         $status = $this->submit();
 394
 395                         if ( $status->isGood() ) {
 396                                 $this->setVar( '_UpgradeDone', false );
 397                                 return 'continue';
 398                         } else {
 399                                 $this->parent->showStatusBox( $status );
 400                         }
 401                 }
 402
 403                 $this->startForm();
 404
 405                 $types = "<ul class=\"config-settings-block\">\n";
 406                 $settings = '';
 407                 $defaultType = $this->getVar( 'wgDBtype' );
 408
 409                 $dbSupport = '';
 410                 foreach( $this->parent->getDBTypes() as $type ) {
 411                         $link = DatabaseBase::newFromType( $type )->getSoftwareLink();
 412                         $dbSupport .= wfMsgNoTrans( "config-support-$type", $link ) . "\n";
 413                 }
 414                 $this->addHTML( $this->parent->getInfoBox(
 415                         wfMsg( 'config-support-info', $dbSupport ) ) );
 416
 417                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 418                         $installer = $this->parent->getDBInstaller( $type );
 419                         $types .=
 420                                 '<li>' .
 421                                 Xml::radioLabel(
 422                                         $installer->getReadableName(),
 423                                         'DBType',
 424                                         $type,
 425                                         "DBType_$type",
 426                                         $type == $defaultType,
 427                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 428                                 ) .
 429                                 "</li>\n";
 430
 431                         $settings .=
 432                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
 433                                 Html::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
 434                                 $installer->getConnectForm() .
 435                                 "</div>\n";
 436                 }
 437                 $types .= "</ul><br clear=\"left\"/>\n";
 438
 439                 $this->addHTML(
 440                         $this->parent->label( 'config-db-type', false, $types ) .
 441                         $settings
 442                 );
 443
 444                 $this->endForm();
 445         }
 446
 447         public function submit() {
 448                 $r = $this->parent->request;
 449                 $type = $r->getVal( 'DBType' );
 450                 $this->setVar( 'wgDBtype', $type );
 451                 $installer = $this->parent->getDBInstaller( $type );
 452                 if ( !$installer ) {
 453                         return Status::newFatal( 'config-invalid-db-type' );
 454                 }
 455                 return $installer->submitConnectForm();
 456         }
 457
 458 }
 459
 460 class WebInstaller_Upgrade extends WebInstallerPage {
 461
 462         public function execute() {
 463                 if ( $this->getVar( '_UpgradeDone' ) ) {
 464                         // Allow regeneration of LocalSettings.php, unless we are working
 465                         // from a pre-existing LocalSettings.php file and we want to avoid
 466                         // leaking its contents
 467                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 468                                 // Done message acknowledged
 469                                 return 'continue';
 470                         } else {
 471                                 // Back button click
 472                                 // Show the done message again
 473                                 // Make them click back again if they want to do the upgrade again
 474                                 $this->showDoneMessage();
 475                                 return 'output';
 476                         }
 477                 }
 478
 479                 // wgDBtype is generally valid here because otherwise the previous page
 480                 // (connect) wouldn't have declared its happiness
 481                 $type = $this->getVar( 'wgDBtype' );
 482                 $installer = $this->parent->getDBInstaller( $type );
 483
 484                 if ( !$installer->needsUpgrade() ) {
 485                         return 'skip';
 486                 }
 487
 488                 if ( $this->parent->request->wasPosted() ) {
 489                         $installer->preUpgrade();
 490
 491                         $this->startLiveBox();
 492                         $result = $installer->doUpgrade();
 493                         $this->endLiveBox();
 494
 495                         if ( $result ) {
 496                                 // If they're going to possibly regenerate LocalSettings, we
 497                                 // need to create the upgrade/secret keys. Bug 26481
 498                                 if( !$this->getVar( '_ExistingDBSettings' ) ) {
 499                                         $this->parent->generateKeys();
 500                                 }
 501                                 $this->setVar( '_UpgradeDone', true );
 502                                 $this->showDoneMessage();
 503                                 return 'output';
 504                         }
 505                 }
 506
 507                 $this->startForm();
 508                 $this->addHTML( $this->parent->getInfoBox(
 509                         wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
 510                 $this->endForm();
 511         }
 512
 513         public function showDoneMessage() {
 514                 $this->startForm();
 515                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 516                 if ( $regenerate ) {
 517                         $msg = 'config-upgrade-done';
 518                 } else {
 519                         $msg = 'config-upgrade-done-no-regenerate';
 520                 }
 521                 $this->parent->disableLinkPopups();
 522                 $this->addHTML(
 523                         $this->parent->getInfoBox(
 524                                 wfMsgNoTrans( $msg,
 525                                         $GLOBALS['wgServer'] .
 526                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 527                                                 $this->getVar( 'wgScriptExtension' )
 528                                 ), 'tick-32.png'
 529                         )
 530                 );
 531                 $this->parent->restoreLinkPopups();
 532                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 533         }
 534
 535 }
 536
 537 class WebInstaller_DBSettings extends WebInstallerPage {
 538
 539         public function execute() {
 540                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 541
 542                 $r = $this->parent->request;
 543                 if ( $r->wasPosted() ) {
 544                         $status = $installer->submitSettingsForm();
 545                         if ( $status === false ) {
 546                                 return 'skip';
 547                         } elseif ( $status->isGood() ) {
 548                                 return 'continue';
 549                         } else {
 550                                 $this->parent->showStatusBox( $status );
 551                         }
 552                 }
 553
 554                 $form = $installer->getSettingsForm();
 555                 if ( $form === false ) {
 556                         return 'skip';
 557                 }
 558
 559                 $this->startForm();
 560                 $this->addHTML( $form );
 561                 $this->endForm();
 562         }
 563
 564 }
 565
 566 class WebInstaller_Name extends WebInstallerPage {
 567
 568         public function execute() {
 569                 $r = $this->parent->request;
 570                 if ( $r->wasPosted() ) {
 571                         if ( $this->submit() ) {
 572                                 return 'continue';
 573                         }
 574                 }
 575
 576                 $this->startForm();
 577
 578                 // Encourage people to not name their site 'MediaWiki' by blanking the
 579                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 580                 // but these two always were the same so had the effect of making the
 581                 // installer forget $wgSitename when navigating back to this page.
 582                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 583                         $this->setVar( 'wgSitename', '' );
 584                 }
 585
 586                 // Set wgMetaNamespace to something valid before we show the form.
 587                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 588                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 589                 $this->setVar( 'wgMetaNamespace', wfMsgForContent( 'config-ns-other-default' ) );
 590
 591                 $this->addHTML(
 592                         $this->parent->getTextBox( array(
 593                                 'var' => 'wgSitename',
 594                                 'label' => 'config-site-name',
 595                           'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 596                         ) ) .
 597                         $this->parent->getRadioSet( array(
 598                                 'var' => '_NamespaceType',
 599                                 'label' => 'config-project-namespace',
 600                                 'itemLabelPrefix' => 'config-ns-',
 601                                 'values' => array( 'site-name', 'generic', 'other' ),
 602                                 'commonAttribs' => array( 'class' => 'enableForOther', 'rel' => 'config_wgMetaNamespace' ),
 603                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 604                         ) ) .
 605                         $this->parent->getTextBox( array(
 606                                 'var' => 'wgMetaNamespace',
 607                                 'label' => '', //TODO: Needs a label?
 608                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 609
 610                         ) ) .
 611                         $this->getFieldSetStart( 'config-admin-box' ) .
 612                         $this->parent->getTextBox( array(
 613                                 'var' => '_AdminName',
 614                                 'label' => 'config-admin-name',
 615                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 616                         ) ) .
 617                         $this->parent->getPasswordBox( array(
 618                                 'var' => '_AdminPassword',
 619                                 'label' => 'config-admin-password',
 620                         ) ) .
 621                         $this->parent->getPasswordBox( array(
 622                                 'var' => '_AdminPassword2',
 623                                 'label' => 'config-admin-password-confirm'
 624                         ) ) .
 625                         $this->parent->getTextBox( array(
 626                                 'var' => '_AdminEmail',
 627                                 'label' => 'config-admin-email',
 628                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 629                         ) ) .
 630                         $this->parent->getCheckBox( array(
 631                                 'var' => '_Subscribe',
 632                                 'label' => 'config-subscribe',
 633                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 634                         ) ) .
 635                         $this->getFieldSetEnd() .
 636                         $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
 637                         $this->parent->getRadioSet( array(
 638                                 'var' => '_SkipOptional',
 639                                 'itemLabelPrefix' => 'config-optional-',
 640                                 'values' => array( 'continue', 'skip' )
 641                         ) )
 642                 );
 643
 644                 // Restore the default value
 645                 $this->setVar( 'wgMetaNamespace', $metaNS );
 646
 647                 $this->endForm();
 648                 return 'output';
 649         }
 650
 651         public function submit() {
 652                 $retVal = true;
 653                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 654                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 655                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 656
 657                 // Validate site name
 658                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 659                         $this->parent->showError( 'config-site-name-blank' );
 660                         $retVal = false;
 661                 }
 662
 663                 // Fetch namespace
 664                 $nsType = $this->getVar( '_NamespaceType' );
 665                 if ( $nsType == 'site-name' ) {
 666                         $name = $this->getVar( 'wgSitename' );
 667                         // Sanitize for namespace
 668                         // This algorithm should match the JS one in WebInstallerOutput.php
 669                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 670                         $name = str_replace( '&', '&amp;', $name );
 671                         $name = preg_replace( '/__+/', '_', $name );
 672                         $name = ucfirst( trim( $name, '_' ) );
 673                 } elseif ( $nsType == 'generic' ) {
 674                         $name = wfMsg( 'config-ns-generic' );
 675                 } else { // other
 676                         $name = $this->getVar( 'wgMetaNamespace' );
 677                 }
 678
 679                 // Validate namespace
 680                 if ( strpos( $name, ':' ) !== false ) {
 681                         $good = false;
 682                 } else {
 683                         // Title-style validation
 684                         $title = Title::newFromText( $name );
 685                         if ( !$title ) {
 686                                 $good = $nsType == 'site-name';
 687                         } else {
 688                                 $name = $title->getDBkey();
 689                                 $good = true;
 690                         }
 691                 }
 692                 if ( !$good ) {
 693                         $this->parent->showError( 'config-ns-invalid', $name );
 694                         $retVal = false;
 695                 }
 696
 697                 // Make sure it won't conflict with any existing namespaces
 698                 global $wgContLang;
 699                 $nsIndex = $wgContLang->getNsIndex( $name );
 700                 if( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 701                         $this->parent->showError( 'config-ns-conflict', $name );
 702                         $retVal = false;
 703                 }
 704
 705                 $this->setVar( 'wgMetaNamespace', $name );
 706
 707                 // Validate username for creation
 708                 $name = $this->getVar( '_AdminName' );
 709                 if ( strval( $name ) === '' ) {
 710                         $this->parent->showError( 'config-admin-name-blank' );
 711                         $cname = $name;
 712                         $retVal = false;
 713                 } else {
 714                         $cname = User::getCanonicalName( $name, 'creatable' );
 715                         if ( $cname === false ) {
 716                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 717                                 $retVal = false;
 718                         } else {
 719                                 $this->setVar( '_AdminName', $cname );
 720                         }
 721                 }
 722
 723                 // Validate password
 724                 $msg = false;
 725                 $valid = false;
 726                 $pwd = $this->getVar( '_AdminPassword' );
 727                 $user = User::newFromName( $cname );
 728                 $valid = $user && $user->getPasswordValidity( $pwd );
 729                 if ( strval( $pwd ) === '' ) {
 730                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 731                         # This message is more specific and helpful.
 732                         $msg = 'config-admin-password-blank';
 733                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 734                         $msg = 'config-admin-password-mismatch';
 735                 } elseif ( $valid !== true ) {
 736                         # As of writing this will only catch the username being e.g. 'FOO' and
 737                         # the password 'foo'
 738                         $msg = $valid;
 739                 }
 740                 if ( $msg !== false ) {
 741                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 742                         $this->setVar( '_AdminPassword', '' );
 743                         $this->setVar( '_AdminPassword2', '' );
 744                         $retVal = false;
 745                 }
 746
 747                 // Validate e-mail if provided
 748                 $email = $this->getVar( '_AdminEmail' );
 749                 if( $email && !User::isValidEmailAddr( $email ) ) {
 750                         $this->parent->showError( 'config-admin-error-bademail' );
 751                         $retVal = false;
 752                 }
 753
 754                 return $retVal;
 755         }
 756
 757 }
 758
 759 class WebInstaller_Options extends WebInstallerPage {
 760
 761         public function execute() {
 762                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 763                         return 'skip';
 764                 }
 765                 if ( $this->parent->request->wasPosted() ) {
 766                         if ( $this->submit() ) {
 767                                 return 'continue';
 768                         }
 769                 }
 770
 771                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 772                 $this->startForm();
 773                 $this->addHTML(
 774                         # User Rights
 775                         $this->parent->getRadioSet( array(
 776                                 'var' => '_RightsProfile',
 777                                 'label' => 'config-profile',
 778                                 'itemLabelPrefix' => 'config-profile-',
 779                                 'values' => array_keys( $this->parent->rightsProfiles ),
 780                         ) ) .
 781                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-profile-help' ) ) .
 782
 783                         # Licensing
 784                         $this->parent->getRadioSet( array(
 785                                 'var' => '_LicenseCode',
 786                                 'label' => 'config-license',
 787                                 'itemLabelPrefix' => 'config-license-',
 788                                 'values' => array_keys( $this->parent->licenses ),
 789                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 790                         ) ) .
 791                         $this->getCCChooser() .
 792                         $this->parent->getHelpBox( 'config-license-help' ) .
 793
 794                         # E-mail
 795                         $this->getFieldSetStart( 'config-email-settings' ) .
 796                         $this->parent->getCheckBox( array(
 797                                 'var' => 'wgEnableEmail',
 798                                 'label' => 'config-enable-email',
 799                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 800                         ) ) .
 801                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 802                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 803                         $this->parent->getTextBox( array(
 804                                 'var' => 'wgPasswordSender',
 805                                 'label' => 'config-email-sender'
 806                         ) ) .
 807                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 808                         $this->parent->getCheckBox( array(
 809                                 'var' => 'wgEnableUserEmail',
 810                                 'label' => 'config-email-user',
 811                         ) ) .
 812                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 813                         $this->parent->getCheckBox( array(
 814                                 'var' => 'wgEnotifUserTalk',
 815                                 'label' => 'config-email-usertalk',
 816                         ) ) .
 817                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 818                         $this->parent->getCheckBox( array(
 819                                 'var' => 'wgEnotifWatchlist',
 820                                 'label' => 'config-email-watchlist',
 821                         ) ) .
 822                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 823                         $this->parent->getCheckBox( array(
 824                                 'var' => 'wgEmailAuthentication',
 825                                 'label' => 'config-email-auth',
 826                         ) ) .
 827                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 828                         "</div>" .
 829                         $this->getFieldSetEnd()
 830                 );
 831
 832                 $extensions = $this->parent->findExtensions();
 833
 834                 if( $extensions ) {
 835                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 836
 837                         foreach( $extensions as $ext ) {
 838                                 $extHtml .= $this->parent->getCheckBox( array(
 839                                         'var' => "ext-$ext",
 840                                         'rawtext' => $ext,
 841                                 ) );
 842                         }
 843
 844                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 845                         $this->getFieldSetEnd();
 846                         $this->addHTML( $extHtml );
 847                 }
 848
 849                 // Having / in paths in Windows looks funny :)
 850                 $this->setVar( 'wgDeletedDirectory',
 851                         str_replace(
 852                                 '/', DIRECTORY_SEPARATOR,
 853                                 $this->getVar( 'wgDeletedDirectory' )
 854                         )
 855                 );
 856
 857                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 858                 $this->addHTML(
 859                         # Uploading
 860                         $this->getFieldSetStart( 'config-upload-settings' ) .
 861                         $this->parent->getCheckBox( array(
 862                                 'var' => 'wgEnableUploads',
 863                                 'label' => 'config-upload-enable',
 864                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 865                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 866                         ) ) .
 867                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 868                         $this->parent->getTextBox( array(
 869                                 'var' => 'wgDeletedDirectory',
 870                                 'label' => 'config-upload-deleted',
 871                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 872                         ) ) .
 873                         '</div>' .
 874                         $this->parent->getTextBox( array(
 875                                 'var' => 'wgLogo',
 876                                 'label' => 'config-logo',
 877                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 878                         ) )
 879                 );
 880                 $this->addHTML(
 881                         $this->parent->getCheckBox( array(
 882                                 'var' => 'wgUseInstantCommons',
 883                                 'label' => 'config-instantcommons',
 884                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 885                         ) ) .
 886                         $this->getFieldSetEnd()
 887                 );
 888
 889                 $caches = array( 'none' );
 890                 if( count( $this->getVar( '_Caches' ) ) ) {
 891                         $caches[] = 'accel';
 892                 }
 893                 $caches[] = 'memcached';
 894
 895                 $this->addHTML(
 896                         # Advanced settings
 897                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 898                         # Object cache settings
 899                         $this->parent->getRadioSet( array(
 900                                 'var' => 'wgMainCacheType',
 901                                 'label' => 'config-cache-options',
 902                                 'itemLabelPrefix' => 'config-cache-',
 903                                 'values' => $caches,
 904                                 'value' => 'none',
 905                         ) ) .
 906                         $this->parent->getHelpBox( 'config-cache-help' ) .
 907                         '<div id="config-memcachewrapper">' .
 908                         $this->parent->getTextArea( array(
 909                                 'var' => '_MemCachedServers',
 910                                 'label' => 'config-memcached-servers',
 911                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
 912                         ) ) .
 913                         '</div>' .
 914                         $this->getFieldSetEnd()
 915                 );
 916                 $this->endForm();
 917         }
 918
 919         public function getCCPartnerUrl() {
 920                 global $wgServer;
 921                 $exitUrl = $wgServer . $this->parent->getUrl( array(
 922                         'page' => 'Options',
 923                         'SubmitCC' => 'indeed',
 924                         'config__LicenseCode' => 'cc',
 925                         'config_wgRightsUrl' => '[license_url]',
 926                         'config_wgRightsText' => '[license_name]',
 927                         'config_wgRightsIcon' => '[license_button]',
 928                 ) );
 929                 $styleUrl = $wgServer . dirname( dirname( $this->parent->getUrl() ) ) .
 930                         '/skins/common/config-cc.css';
 931                 $iframeUrl = 'http://creativecommons.org/license/?' .
 932                         wfArrayToCGI( array(
 933                                 'partner' => 'MediaWiki',
 934                                 'exit_url' => $exitUrl,
 935                                 'lang' => $this->getVar( '_UserLang' ),
 936                                 'stylesheet' => $styleUrl,
 937                         ) );
 938                 return $iframeUrl;
 939         }
 940
 941         public function getCCChooser() {
 942                 $iframeAttribs = array(
 943                         'class' => 'config-cc-iframe',
 944                         'name' => 'config-cc-iframe',
 945                         'id' => 'config-cc-iframe',
 946                         'frameborder' => 0,
 947                         'width' => '100%',
 948                         'height' => '100%',
 949                 );
 950                 if ( $this->getVar( '_CCDone' ) ) {
 951                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
 952                 } else {
 953                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
 954                 }
 955                 $wrapperStyle = ($this->getVar('_LicenseCode') == 'cc-choose') ? '' : 'display: none';
 956
 957                 return
 958                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
 959                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
 960                         "</div>\n";
 961         }
 962
 963         public function getCCDoneBox() {
 964                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
 965                 // If you change this height, also change it in config.css
 966                 $expandJs = str_replace( '$1', '54em', $js );
 967                 $reduceJs = str_replace( '$1', '70px', $js );
 968                 return
 969                         '<p>'.
 970                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
 971                         '&#160;&#160;' .
 972                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
 973                         "</p>\n" .
 974                         "<p style=\"text-align: center\">" .
 975                         Html::element( 'a',
 976                                 array(
 977                                         'href' => $this->getCCPartnerUrl(),
 978                                         'onclick' => $expandJs,
 979                                 ),
 980                                 wfMsg( 'config-cc-again' )
 981                         ) .
 982                         "</p>\n" .
 983                         "<script type=\"text/javascript\">\n" .
 984                         # Reduce the wrapper div height
 985                         htmlspecialchars( $reduceJs ) .
 986                         "\n" .
 987                         "</script>\n";
 988         }
 989
 990         public function submitCC() {
 991                 $newValues = $this->parent->setVarsFromRequest(
 992                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
 993                 if ( count( $newValues ) != 3 ) {
 994                         $this->parent->showError( 'config-cc-error' );
 995                         return;
 996                 }
 997                 $this->setVar( '_CCDone', true );
 998                 $this->addHTML( $this->getCCDoneBox() );
 999         }
1000
1001         public function submit() {
1002                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1003                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1004                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1005                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1006                         'wgUseInstantCommons' ) );
1007
1008                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1009                         array_keys( $this->parent->rightsProfiles ) ) )
1010                 {
1011                         reset( $this->parent->rightsProfiles );
1012                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1013                 }
1014
1015                 $code = $this->getVar( '_LicenseCode' );
1016                 if ( $code == 'cc-choose' ) {
1017                         if ( !$this->getVar( '_CCDone' ) ) {
1018                                 $this->parent->showError( 'config-cc-not-chosen' );
1019                                 return false;
1020                         }
1021                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1022                         $entry = $this->parent->licenses[$code];
1023                         if ( isset( $entry['text'] ) ) {
1024                                 $this->setVar( 'wgRightsText', $entry['text'] );
1025                         } else {
1026                                 $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
1027                         }
1028                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1029                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1030                 } else {
1031                         $this->setVar( 'wgRightsText', '' );
1032                         $this->setVar( 'wgRightsUrl', '' );
1033                         $this->setVar( 'wgRightsIcon', '' );
1034                 }
1035
1036                 $extsAvailable = $this->parent->findExtensions();
1037                 $extsToInstall = array();
1038                 foreach( $extsAvailable as $ext ) {
1039                         if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1040                                 $extsToInstall[] = $ext;
1041                         }
1042                 }
1043                 $this->parent->setVar( '_Extensions', $extsToInstall );
1044
1045                 if( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1046                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1047                         if( !$memcServers ) {
1048                                 $this->parent->showError( 'config-memcache-needservers' );
1049                                 return false;
1050                         }
1051
1052                         foreach( $memcServers as $server ) {
1053                                 $memcParts = explode( ":", $server );
1054                                 if( !IP::isValid( $memcParts[0] ) ) {
1055                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1056                                         return false;
1057                                 } elseif( !isset( $memcParts[1] )  ) {
1058                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1059                                         return false;
1060                                 } elseif( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1061                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1062                                         return false;
1063                                 }
1064                         }
1065                 }
1066                 return true;
1067         }
1068
1069 }
1070
1071 class WebInstaller_Install extends WebInstallerPage {
1072
1073         public function execute() {
1074                 if( $this->getVar( '_UpgradeDone' ) ) {
1075                         return 'skip';
1076                 } elseif( $this->getVar( '_InstallDone' ) ) {
1077                         return 'continue';
1078                 } elseif( $this->parent->request->wasPosted() ) {
1079                         $this->startForm();
1080                         $this->addHTML("<ul>");
1081                         $results = $this->parent->performInstallation(
1082                                 array( $this, 'startStage'),
1083                                 array( $this, 'endStage' )
1084                         );
1085                         $this->addHTML("</ul>");
1086                         // PerformInstallation bails on a fatal, so make sure the last item
1087                         // completed before giving 'next.' Likewise, only provide back on failure
1088                         $lastStep = end( $results );
1089                         $continue = $lastStep->isOK() ? 'continue' : false;
1090                         $back = $lastStep->isOK() ? false : 'back';
1091                         $this->endForm( $continue, $back );
1092                 } else {
1093                         $this->startForm();
1094                         $this->addHTML( $this->parent->getInfoBox( wfMsgNoTrans( 'config-install-begin' ) ) );
1095                         $this->endForm();
1096                 }
1097                 return true;
1098         }
1099
1100         public function startStage( $step ) {
1101                 $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
1102                 if ( $step == 'extension-tables' ) {
1103                         $this->startLiveBox();
1104                 }
1105         }
1106
1107         public function endStage( $step, $status ) {
1108                 if ( $step == 'extension-tables' ) {
1109                         $this->endLiveBox();
1110                 }
1111                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1112                 $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
1113                 if ( !$status->isOk() ) {
1114                         $html = "<span class=\"error\">$html</span>";
1115                 }
1116                 $this->addHTML( $html . "</li>\n" );
1117                 if( !$status->isGood() ) {
1118                         $this->parent->showStatusBox( $status );
1119                 }
1120         }
1121
1122 }
1123
1124 class WebInstaller_Complete extends WebInstallerPage {
1125
1126         public function execute() {
1127                 // Pop up a dialog box, to make it difficult for the user to forget
1128                 // to download the file
1129                 $lsUrl = $GLOBALS['wgServer'] . $this->parent->getURL( array( 'localsettings' => 1 ) );
1130                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1131                         // JS appears the only method that works consistently with IE7+
1132                         $this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] . '">jQuery( document ).ready( function() { document.location='
1133                                 . Xml::encodeJsVar( $lsUrl) . "; } );</script>\n" );
1134                 } else {
1135                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1136                 }
1137
1138                 $this->startForm();
1139                 $this->parent->disableLinkPopups();
1140                 $this->addHTML(
1141                         $this->parent->getInfoBox(
1142                                 wfMsgNoTrans( 'config-install-done',
1143                                         $lsUrl,
1144                                         $GLOBALS['wgServer'] .
1145                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1146                                                 $this->getVar( 'wgScriptExtension' ),
1147                                         '<downloadlink/>'
1148                                 ), 'tick-32.png'
1149                         )
1150                 );
1151                 $this->parent->restoreLinkPopups();
1152                 $this->endForm( false, false );
1153         }
1154 }
1155
1156 class WebInstaller_Restart extends WebInstallerPage {
1157
1158         public function execute() {
1159                 $r = $this->parent->request;
1160                 if ( $r->wasPosted() ) {
1161                         $really = $r->getVal( 'submit-restart' );
1162                         if ( $really ) {
1163                                 $this->parent->reset();
1164                         }
1165                         return 'continue';
1166                 }
1167
1168                 $this->startForm();
1169                 $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
1170                 $this->addHTML( $s );
1171                 $this->endForm( 'restart' );
1172         }
1173
1174 }
1175
1176 abstract class WebInstaller_Document extends WebInstallerPage {
1177
1178         protected abstract function getFileName();
1179
1180         public  function execute() {
1181                 $text = $this->getFileContents();
1182                 $text = $this->formatTextFile( $text );
1183                 $this->parent->output->addWikiText( $text );
1184                 $this->startForm();
1185                 $this->endForm( false );
1186         }
1187
1188         public  function getFileContents() {
1189                 return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
1190         }
1191
1192         protected function formatTextFile( $text ) {
1193                 // Use Unix line endings, escape some wikitext stuff
1194                 $text = str_replace( array( '<', '{{', '[[', "\r" ),
1195                         array( '&lt;', '&#123;&#123;', '&#91;&#91;', '' ), $text );
1196                 // join word-wrapped lines into one
1197                 do {
1198                         $prev = $text;
1199                         $text = preg_replace( "/\n([\\*#\t])([^\n]*?)\n([^\n#\\*:]+)/", "\n\\1\\2 \\3", $text );
1200                 } while ( $text != $prev );
1201                 // Replace tab indents with colons
1202                 $text = preg_replace( '/^\t\t/m', '::', $text );
1203                 $text = preg_replace( '/^\t/m', ':', $text );
1204                 // turn (bug nnnn) into links
1205                 $text = preg_replace_callback('/bug (\d+)/', array( $this, 'replaceBugLinks' ), $text );
1206                 // add links to manual to every global variable mentioned
1207                 $text = preg_replace_callback('/(\$wg[a-z0-9_]+)/i', array( $this, 'replaceConfigLinks' ), $text );
1208                 return $text;
1209         }
1210
1211         private function replaceBugLinks( $matches ) {
1212                 return '<span class="config-plainlink">[https://bugzilla.wikimedia.org/' .
1213                         $matches[1] . ' bug ' . $matches[1] . ']</span>';
1214         }
1215
1216         private function replaceConfigLinks( $matches ) {
1217                 return '<span class="config-plainlink">[http://www.mediawiki.org/wiki/Manual:' .
1218                         $matches[1] . ' ' . $matches[1] . ']</span>';
1219         }
1220
1221 }
1222
1223 class WebInstaller_Readme extends WebInstaller_Document {
1224         protected function getFileName() { return 'README'; }
1225 }
1226
1227 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1228         protected function getFileName() { return 'RELEASE-NOTES'; }
1229 }
1230
1231 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1232         protected function getFileName() { return 'UPGRADE'; }
1233 }
1234
1235 class WebInstaller_Copying extends WebInstaller_Document {
1236         protected function getFileName() { return 'COPYING'; }
1237 }
1238