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