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          * @return string
 108          */
 109         protected function getFieldsetStart( $legend ) {
 110                 return "\n<fieldset><legend>" . wfMsgHtml( $legend ) . "</legend>\n";
 111         }
 112
 113         /**
 114          * Get the end tag of a fieldset.
 115          *
 116          * @returns string
 117          */
 118         protected function getFieldsetEnd() {
 119                 return "</fieldset>\n";
 120         }
 121
 122         /**
 123          * Opens a textarea used to display the progress of a long operation
 124          */
 125         protected function startLiveBox() {
 126                 $this->addHTML(
 127                         '<div id="config-spinner" style="display:none;"><img src="../skins/common/images/ajax-loader.gif" /></div>' .
 128                         '<script>jQuery( "#config-spinner" ).show();</script>' .
 129                         '<textarea id="config-live-log" name="LiveLog" rows="10" cols="30" readonly="readonly">'
 130                 );
 131                 $this->parent->output->flush();
 132         }
 133
 134         /**
 135          * Opposite to startLiveBox()
 136          */
 137         protected function endLiveBox() {
 138                 $this->addHTML( '</textarea>
 139 <script>jQuery( "#config-spinner" ).hide()</script>' );
 140                 $this->parent->output->flush();
 141         }
 142 }
 143
 144 class WebInstaller_Language extends WebInstallerPage {
 145
 146         public function execute() {
 147                 global $wgLang;
 148                 $r = $this->parent->request;
 149                 $userLang = $r->getVal( 'UserLang' );
 150                 $contLang = $r->getVal( 'ContLang' );
 151
 152                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 153                 if ( !$lifetime ) {
 154                         $lifetime = 1440; // PHP default
 155                 }
 156
 157                 if ( $r->wasPosted() ) {
 158                         # Do session test
 159                         if ( $this->parent->getSession( 'test' ) === null ) {
 160                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 161                                 if ( !$requestTime ) {
 162                                         // The most likely explanation is that the user was knocked back
 163                                         // from another page on POST due to session expiry
 164                                         $msg = 'config-session-expired';
 165                                 } elseif ( time() - $requestTime > $lifetime ) {
 166                                         $msg = 'config-session-expired';
 167                                 } else {
 168                                         $msg = 'config-no-session';
 169                                 }
 170                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 171                         } else {
 172                                 $languages = Language::getLanguageNames();
 173                                 if ( isset( $languages[$userLang] ) ) {
 174                                         $this->setVar( '_UserLang', $userLang );
 175                                 }
 176                                 if ( isset( $languages[$contLang] ) ) {
 177                                         $this->setVar( 'wgLanguageCode', $contLang );
 178                                 }
 179                                 return 'continue';
 180                         }
 181                 } elseif ( $this->parent->showSessionWarning ) {
 182                         # The user was knocked back from another page to the start
 183                         # This probably indicates a session expiry
 184                         $this->parent->showError( 'config-session-expired', $wgLang->formatTimePeriod( $lifetime ) );
 185                 }
 186
 187                 $this->parent->setSession( 'test', true );
 188
 189                 if ( !isset( $languages[$userLang] ) ) {
 190                         $userLang = $this->getVar( '_UserLang', 'en' );
 191                 }
 192                 if ( !isset( $languages[$contLang] ) ) {
 193                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 194                 }
 195                 $this->startForm();
 196                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 197                         $this->getLanguageSelector( 'UserLang', 'config-your-language', $userLang, $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 198                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang, $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 199                 $this->addHTML( $s );
 200                 $this->endForm( 'continue', false );
 201         }
 202
 203         /**
 204          * Get a <select> for selecting languages.
 205          *
 206          * @return string
 207          */
 208         public function getLanguageSelector( $name, $label, $selectedCode ) {
 209                 global $wgDummyLanguageCodes;
 210                 $s = Html::openElement( 'select', array( 'id' => $name, 'name' => $name ) ) . "\n";
 211
 212                 $languages = Language::getLanguageNames();
 213                 ksort( $languages );
 214                 $dummies = array_flip( $wgDummyLanguageCodes );
 215                 foreach ( $languages as $code => $lang ) {
 216                         if ( isset( $dummies[$code] ) ) continue;
 217                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 218                 }
 219                 $s .= "\n</select>\n";
 220                 return $this->parent->label( $label, $name, $s );
 221         }
 222
 223 }
 224
 225 class WebInstaller_ExistingWiki extends WebInstallerPage {
 226         public function execute() {
 227                 // If there is no LocalSettings.php, continue to the installer welcome page
 228                 $vars = $this->parent->getExistingLocalSettings();
 229                 if ( !$vars ) {
 230                         return 'skip';
 231                 }
 232
 233                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 234                 if ( $vars['wgUpgradeKey'] !== false
 235                         && $this->getVar( '_UpgradeKeySupplied' )
 236                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 237                 {
 238                         // It's there, so the user is authorized
 239                         $status = $this->handleExistingUpgrade( $vars );
 240                         if ( $status->isOK() ) {
 241                                 return 'skip';
 242                         } else {
 243                                 $this->startForm();
 244                                 $this->parent->showStatusBox( $status );
 245                                 $this->endForm( 'continue' );
 246                                 return 'output';
 247                         }
 248                 }
 249
 250                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 251                 if ( $vars['wgUpgradeKey'] === false ) {
 252                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 253                                 $this->parent->generateUpgradeKey();
 254                                 $this->setVar( '_UpgradeKeySupplied', true );
 255                         }
 256                         $this->startForm();
 257                         $this->addHTML( $this->parent->getInfoBox(
 258                                 wfMsgNoTrans( 'config-upgrade-key-missing',
 259                                         "<pre>\$wgUpgradeKey = '" . $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )
 260                         ) );
 261                         $this->endForm( 'continue' );
 262                         return 'output';
 263                 }
 264
 265                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 266
 267                 $r = $this->parent->request;
 268                 if ( $r->wasPosted() ) {
 269                         $key = $r->getText( 'config_wgUpgradeKey' );
 270                         if( !$key || $key !== $vars['wgUpgradeKey'] ) {
 271                                 $this->parent->showError( 'config-localsettings-badkey' );
 272                                 $this->showKeyForm();
 273                                 return 'output';
 274                         }
 275                         // Key was OK
 276                         $status = $this->handleExistingUpgrade( $vars );
 277                         if ( $status->isOK() ) {
 278                                 return 'continue';
 279                         } else {
 280                                 $this->parent->showStatusBox( $status );
 281                                 $this->showKeyForm();
 282                                 return 'output';
 283                         }
 284                 } else {
 285                         $this->showKeyForm();
 286                         return 'output';
 287                 }
 288         }
 289
 290         /**
 291          * Show the "enter key" form
 292          */
 293         protected function showKeyForm() {
 294                 $this->startForm();
 295                 $this->addHTML(
 296                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-localsettings-upgrade' ) ).
 297                         '<br />' .
 298                         $this->parent->getTextBox( array(
 299                                 'var' => 'wgUpgradeKey',
 300                                 'label' => 'config-localsettings-key',
 301                                 'attribs' => array( 'autocomplete' => 'off' ),
 302                         ) )
 303                 );
 304                 $this->endForm( 'continue' );
 305         }
 306
 307         protected function importVariables( $names, $vars ) {
 308                 $status = Status::newGood();
 309                 foreach ( $names as $name ) {
 310                         if ( !isset( $vars[$name] ) ) {
 311                                 $status->fatal( 'config-localsettings-incomplete', $name );
 312                         }
 313                         $this->setVar( $name, $vars[$name] );
 314                 }
 315                 return $status;
 316         }
 317
 318         /**
 319          * Initiate an upgrade of the existing database
 320          * @param $vars Variables from LocalSettings.php and AdminSettings.php
 321          * @return Status
 322          */
 323         protected function handleExistingUpgrade( $vars ) {
 324                 // Check $wgDBtype
 325                 if ( !isset( $vars['wgDBtype'] ) || !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 326                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 327                 }
 328
 329                 // Set the relevant variables from LocalSettings.php
 330                 $requiredVars = array( 'wgDBtype' );
 331                 $status = $this->importVariables( $requiredVars , $vars );
 332                 $installer = $this->parent->getDBInstaller();
 333                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 334                 if ( !$status->isOK() ) {
 335                         return $status;
 336                 }
 337
 338                 if ( isset( $vars['wgDBadminuser'] ) ) {
 339                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 340                 } else {
 341                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 342                 }
 343                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 344                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 345                 } else {
 346                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 347                 }
 348
 349                 // Test the database connection
 350                 $status = $installer->getConnection();
 351                 if ( !$status->isOK() ) {
 352                         // Adjust the error message to explain things correctly
 353                         $status->replaceMessage( 'config-connection-error',
 354                                 'config-localsettings-connection-error' );
 355                         return $status;
 356                 }
 357
 358                 // All good
 359                 $this->setVar( '_ExistingDBSettings', true );
 360                 return $status;
 361         }
 362 }
 363
 364 class WebInstaller_Welcome extends WebInstallerPage {
 365
 366         public function execute() {
 367                 if ( $this->parent->request->wasPosted() ) {
 368                         if ( $this->getVar( '_Environment' ) ) {
 369                                 return 'continue';
 370                         }
 371                 }
 372                 $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
 373                 $status = $this->parent->doEnvironmentChecks();
 374                 if ( $status->isGood() ) {
 375                         $this->parent->output->addHTML( '<span class="success-message">' .
 376                                 wfMsgHtml( 'config-env-good' ) . '</span>' );
 377                         $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright',
 378                                 SpecialVersion::getCopyrightAndAuthorList() ) );
 379                         $this->startForm();
 380                         $this->endForm();
 381                 } else {
 382                         $this->parent->showStatusMessage( $status );
 383                 }
 384         }
 385
 386 }
 387
 388 class WebInstaller_DBConnect extends WebInstallerPage {
 389
 390         public function execute() {
 391                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 392                         return 'skip';
 393                 }
 394
 395                 $r = $this->parent->request;
 396                 if ( $r->wasPosted() ) {
 397                         $status = $this->submit();
 398
 399                         if ( $status->isGood() ) {
 400                                 $this->setVar( '_UpgradeDone', false );
 401                                 return 'continue';
 402                         } else {
 403                                 $this->parent->showStatusBox( $status );
 404                         }
 405                 }
 406
 407                 $this->startForm();
 408
 409                 $types = "<ul class=\"config-settings-block\">\n";
 410                 $settings = '';
 411                 $defaultType = $this->getVar( 'wgDBtype' );
 412
 413                 $dbSupport = '';
 414                 foreach( $this->parent->getDBTypes() as $type ) {
 415                         $link = DatabaseBase::newFromType( $type )->getSoftwareLink();
 416                         $dbSupport .= wfMsgNoTrans( "config-support-$type", $link ) . "\n";
 417                 }
 418                 $this->addHTML( $this->parent->getInfoBox(
 419                         wfMsg( 'config-support-info', $dbSupport ) ) );
 420
 421                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 422                         $installer = $this->parent->getDBInstaller( $type );
 423                         $types .=
 424                                 '<li>' .
 425                                 Xml::radioLabel(
 426                                         $installer->getReadableName(),
 427                                         'DBType',
 428                                         $type,
 429                                         "DBType_$type",
 430                                         $type == $defaultType,
 431                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 432                                 ) .
 433                                 "</li>\n";
 434
 435                         $settings .=
 436                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
 437                                 Html::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
 438                                 $installer->getConnectForm() .
 439                                 "</div>\n";
 440                 }
 441                 $types .= "</ul><br clear=\"left\"/>\n";
 442
 443                 $this->addHTML(
 444                         $this->parent->label( 'config-db-type', false, $types ) .
 445                         $settings
 446                 );
 447
 448                 $this->endForm();
 449         }
 450
 451         public function submit() {
 452                 $r = $this->parent->request;
 453                 $type = $r->getVal( 'DBType' );
 454                 $this->setVar( 'wgDBtype', $type );
 455                 $installer = $this->parent->getDBInstaller( $type );
 456                 if ( !$installer ) {
 457                         return Status::newFatal( 'config-invalid-db-type' );
 458                 }
 459                 return $installer->submitConnectForm();
 460         }
 461
 462 }
 463
 464 class WebInstaller_Upgrade extends WebInstallerPage {
 465
 466         public function execute() {
 467                 if ( $this->getVar( '_UpgradeDone' ) ) {
 468                         // Allow regeneration of LocalSettings.php, unless we are working
 469                         // from a pre-existing LocalSettings.php file and we want to avoid
 470                         // leaking its contents
 471                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 472                                 // Done message acknowledged
 473                                 return 'continue';
 474                         } else {
 475                                 // Back button click
 476                                 // Show the done message again
 477                                 // Make them click back again if they want to do the upgrade again
 478                                 $this->showDoneMessage();
 479                                 return 'output';
 480                         }
 481                 }
 482
 483                 // wgDBtype is generally valid here because otherwise the previous page
 484                 // (connect) wouldn't have declared its happiness
 485                 $type = $this->getVar( 'wgDBtype' );
 486                 $installer = $this->parent->getDBInstaller( $type );
 487
 488                 if ( !$installer->needsUpgrade() ) {
 489                         return 'skip';
 490                 }
 491
 492                 if ( $this->parent->request->wasPosted() ) {
 493                         $installer->preUpgrade();
 494
 495                         $this->startLiveBox();
 496                         $result = $installer->doUpgrade();
 497                         $this->endLiveBox();
 498
 499                         if ( $result ) {
 500                                 // If they're going to possibly regenerate LocalSettings, we
 501                                 // need to create the upgrade/secret keys. Bug 26481
 502                                 if( !$this->getVar( '_ExistingDBSettings' ) ) {
 503                                         $this->parent->generateKeys();
 504                                 }
 505                                 $this->setVar( '_UpgradeDone', true );
 506                                 $this->showDoneMessage();
 507                                 return 'output';
 508                         }
 509                 }
 510
 511                 $this->startForm();
 512                 $this->addHTML( $this->parent->getInfoBox(
 513                         wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
 514                 $this->endForm();
 515         }
 516
 517         public function showDoneMessage() {
 518                 $this->startForm();
 519                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 520                 if ( $regenerate ) {
 521                         $msg = 'config-upgrade-done';
 522                 } else {
 523                         $msg = 'config-upgrade-done-no-regenerate';
 524                 }
 525                 $this->parent->disableLinkPopups();
 526                 $this->addHTML(
 527                         $this->parent->getInfoBox(
 528                                 wfMsgNoTrans( $msg,
 529                                         $GLOBALS['wgServer'] .
 530                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 531                                                 $this->getVar( 'wgScriptExtension' )
 532                                 ), 'tick-32.png'
 533                         )
 534                 );
 535                 $this->parent->restoreLinkPopups();
 536                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 537         }
 538
 539 }
 540
 541 class WebInstaller_DBSettings extends WebInstallerPage {
 542
 543         public function execute() {
 544                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 545
 546                 $r = $this->parent->request;
 547                 if ( $r->wasPosted() ) {
 548                         $status = $installer->submitSettingsForm();
 549                         if ( $status === false ) {
 550                                 return 'skip';
 551                         } elseif ( $status->isGood() ) {
 552                                 return 'continue';
 553                         } else {
 554                                 $this->parent->showStatusBox( $status );
 555                         }
 556                 }
 557
 558                 $form = $installer->getSettingsForm();
 559                 if ( $form === false ) {
 560                         return 'skip';
 561                 }
 562
 563                 $this->startForm();
 564                 $this->addHTML( $form );
 565                 $this->endForm();
 566         }
 567
 568 }
 569
 570 class WebInstaller_Name extends WebInstallerPage {
 571
 572         public function execute() {
 573                 $r = $this->parent->request;
 574                 if ( $r->wasPosted() ) {
 575                         if ( $this->submit() ) {
 576                                 return 'continue';
 577                         }
 578                 }
 579
 580                 $this->startForm();
 581
 582                 // Encourage people to not name their site 'MediaWiki' by blanking the
 583                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 584                 // but these two always were the same so had the effect of making the
 585                 // installer forget $wgSitename when navigating back to this page.
 586                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 587                         $this->setVar( 'wgSitename', '' );
 588                 }
 589
 590                 // Set wgMetaNamespace to something valid before we show the form.
 591                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 592                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 593                 $this->setVar( 'wgMetaNamespace', wfMsgForContent( 'config-ns-other-default' ) );
 594
 595                 $this->addHTML(
 596                         $this->parent->getTextBox( array(
 597                                 'var' => 'wgSitename',
 598                                 'label' => 'config-site-name',
 599                           'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 600                         ) ) .
 601                         $this->parent->getRadioSet( array(
 602                                 'var' => '_NamespaceType',
 603                                 'label' => 'config-project-namespace',
 604                                 'itemLabelPrefix' => 'config-ns-',
 605                                 'values' => array( 'site-name', 'generic', 'other' ),
 606                                 'commonAttribs' => array( 'class' => 'enableForOther', 'rel' => 'config_wgMetaNamespace' ),
 607                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 608                         ) ) .
 609                         $this->parent->getTextBox( array(
 610                                 'var' => 'wgMetaNamespace',
 611                                 'label' => '', //TODO: Needs a label?
 612                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 613
 614                         ) ) .
 615                         $this->getFieldSetStart( 'config-admin-box' ) .
 616                         $this->parent->getTextBox( array(
 617                                 'var' => '_AdminName',
 618                                 'label' => 'config-admin-name',
 619                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 620                         ) ) .
 621                         $this->parent->getPasswordBox( array(
 622                                 'var' => '_AdminPassword',
 623                                 'label' => 'config-admin-password',
 624                         ) ) .
 625                         $this->parent->getPasswordBox( array(
 626                                 'var' => '_AdminPassword2',
 627                                 'label' => 'config-admin-password-confirm'
 628                         ) ) .
 629                         $this->parent->getTextBox( array(
 630                                 'var' => '_AdminEmail',
 631                                 'label' => 'config-admin-email',
 632                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 633                         ) ) .
 634                         $this->parent->getCheckBox( array(
 635                                 'var' => '_Subscribe',
 636                                 'label' => 'config-subscribe',
 637                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 638                         ) ) .
 639                         $this->getFieldSetEnd() .
 640                         $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
 641                         $this->parent->getRadioSet( array(
 642                                 'var' => '_SkipOptional',
 643                                 'itemLabelPrefix' => 'config-optional-',
 644                                 'values' => array( 'continue', 'skip' )
 645                         ) )
 646                 );
 647
 648                 // Restore the default value
 649                 $this->setVar( 'wgMetaNamespace', $metaNS );
 650
 651                 $this->endForm();
 652                 return 'output';
 653         }
 654
 655         public function submit() {
 656                 $retVal = true;
 657                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 658                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 659                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 660
 661                 // Validate site name
 662                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 663                         $this->parent->showError( 'config-site-name-blank' );
 664                         $retVal = false;
 665                 }
 666
 667                 // Fetch namespace
 668                 $nsType = $this->getVar( '_NamespaceType' );
 669                 if ( $nsType == 'site-name' ) {
 670                         $name = $this->getVar( 'wgSitename' );
 671                         // Sanitize for namespace
 672                         // This algorithm should match the JS one in WebInstallerOutput.php
 673                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 674                         $name = str_replace( '&', '&amp;', $name );
 675                         $name = preg_replace( '/__+/', '_', $name );
 676                         $name = ucfirst( trim( $name, '_' ) );
 677                 } elseif ( $nsType == 'generic' ) {
 678                         $name = wfMsg( 'config-ns-generic' );
 679                 } else { // other
 680                         $name = $this->getVar( 'wgMetaNamespace' );
 681                 }
 682
 683                 // Validate namespace
 684                 if ( strpos( $name, ':' ) !== false ) {
 685                         $good = false;
 686                 } else {
 687                         // Title-style validation
 688                         $title = Title::newFromText( $name );
 689                         if ( !$title ) {
 690                                 $good = $nsType == 'site-name';
 691                         } else {
 692                                 $name = $title->getDBkey();
 693                                 $good = true;
 694                         }
 695                 }
 696                 if ( !$good ) {
 697                         $this->parent->showError( 'config-ns-invalid', $name );
 698                         $retVal = false;
 699                 }
 700
 701                 // Make sure it won't conflict with any existing namespaces
 702                 global $wgContLang;
 703                 $nsIndex = $wgContLang->getNsIndex( $name );
 704                 if( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 705                         $this->parent->showError( 'config-ns-conflict', $name );
 706                         $retVal = false;
 707                 }
 708
 709                 $this->setVar( 'wgMetaNamespace', $name );
 710
 711                 // Validate username for creation
 712                 $name = $this->getVar( '_AdminName' );
 713                 if ( strval( $name ) === '' ) {
 714                         $this->parent->showError( 'config-admin-name-blank' );
 715                         $cname = $name;
 716                         $retVal = false;
 717                 } else {
 718                         $cname = User::getCanonicalName( $name, 'creatable' );
 719                         if ( $cname === false ) {
 720                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 721                                 $retVal = false;
 722                         } else {
 723                                 $this->setVar( '_AdminName', $cname );
 724                         }
 725                 }
 726
 727                 // Validate password
 728                 $msg = false;
 729                 $valid = false;
 730                 $pwd = $this->getVar( '_AdminPassword' );
 731                 $user = User::newFromName( $cname );
 732                 $valid = $user && $user->getPasswordValidity( $pwd );
 733                 if ( strval( $pwd ) === '' ) {
 734                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 735                         # This message is more specific and helpful.
 736                         $msg = 'config-admin-password-blank';
 737                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 738                         $msg = 'config-admin-password-mismatch';
 739                 } elseif ( $valid !== true ) {
 740                         # As of writing this will only catch the username being e.g. 'FOO' and
 741                         # the password 'foo'
 742                         $msg = $valid;
 743                 }
 744                 if ( $msg !== false ) {
 745                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 746                         $this->setVar( '_AdminPassword', '' );
 747                         $this->setVar( '_AdminPassword2', '' );
 748                         $retVal = false;
 749                 }
 750
 751                 // Validate e-mail if provided
 752                 $email = $this->getVar( '_AdminEmail' );
 753                 if( $email && !User::isValidEmailAddr( $email ) ) {
 754                         $this->parent->showError( 'config-admin-error-bademail' );
 755                         $retVal = false;
 756                 }
 757
 758                 return $retVal;
 759         }
 760
 761 }
 762
 763 class WebInstaller_Options extends WebInstallerPage {
 764
 765         public function execute() {
 766                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 767                         return 'skip';
 768                 }
 769                 if ( $this->parent->request->wasPosted() ) {
 770                         if ( $this->submit() ) {
 771                                 return 'continue';
 772                         }
 773                 }
 774
 775                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 776                 $this->startForm();
 777                 $this->addHTML(
 778                         # User Rights
 779                         $this->parent->getRadioSet( array(
 780                                 'var' => '_RightsProfile',
 781                                 'label' => 'config-profile',
 782                                 'itemLabelPrefix' => 'config-profile-',
 783                                 'values' => array_keys( $this->parent->rightsProfiles ),
 784                         ) ) .
 785                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-profile-help' ) ) .
 786
 787                         # Licensing
 788                         $this->parent->getRadioSet( array(
 789                                 'var' => '_LicenseCode',
 790                                 'label' => 'config-license',
 791                                 'itemLabelPrefix' => 'config-license-',
 792                                 'values' => array_keys( $this->parent->licenses ),
 793                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 794                         ) ) .
 795                         $this->getCCChooser() .
 796                         $this->parent->getHelpBox( 'config-license-help' ) .
 797
 798                         # E-mail
 799                         $this->getFieldSetStart( 'config-email-settings' ) .
 800                         $this->parent->getCheckBox( array(
 801                                 'var' => 'wgEnableEmail',
 802                                 'label' => 'config-enable-email',
 803                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 804                         ) ) .
 805                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 806                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 807                         $this->parent->getTextBox( array(
 808                                 'var' => 'wgPasswordSender',
 809                                 'label' => 'config-email-sender'
 810                         ) ) .
 811                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 812                         $this->parent->getCheckBox( array(
 813                                 'var' => 'wgEnableUserEmail',
 814                                 'label' => 'config-email-user',
 815                         ) ) .
 816                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 817                         $this->parent->getCheckBox( array(
 818                                 'var' => 'wgEnotifUserTalk',
 819                                 'label' => 'config-email-usertalk',
 820                         ) ) .
 821                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 822                         $this->parent->getCheckBox( array(
 823                                 'var' => 'wgEnotifWatchlist',
 824                                 'label' => 'config-email-watchlist',
 825                         ) ) .
 826                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 827                         $this->parent->getCheckBox( array(
 828                                 'var' => 'wgEmailAuthentication',
 829                                 'label' => 'config-email-auth',
 830                         ) ) .
 831                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 832                         "</div>" .
 833                         $this->getFieldSetEnd()
 834                 );
 835
 836                 $extensions = $this->parent->findExtensions();
 837
 838                 if( $extensions ) {
 839                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 840
 841                         foreach( $extensions as $ext ) {
 842                                 $extHtml .= $this->parent->getCheckBox( array(
 843                                         'var' => "ext-$ext",
 844                                         'rawtext' => $ext,
 845                                 ) );
 846                         }
 847
 848                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 849                         $this->getFieldSetEnd();
 850                         $this->addHTML( $extHtml );
 851                 }
 852
 853                 // Having / in paths in Windows looks funny :)
 854                 $this->setVar( 'wgDeletedDirectory',
 855                         str_replace(
 856                                 '/', DIRECTORY_SEPARATOR,
 857                                 $this->getVar( 'wgDeletedDirectory' )
 858                         )
 859                 );
 860
 861                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 862                 $this->addHTML(
 863                         # Uploading
 864                         $this->getFieldSetStart( 'config-upload-settings' ) .
 865                         $this->parent->getCheckBox( array(
 866                                 'var' => 'wgEnableUploads',
 867                                 'label' => 'config-upload-enable',
 868                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 869                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 870                         ) ) .
 871                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 872                         $this->parent->getTextBox( array(
 873                                 'var' => 'wgDeletedDirectory',
 874                                 'label' => 'config-upload-deleted',
 875                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 876                         ) ) .
 877                         '</div>' .
 878                         $this->parent->getTextBox( array(
 879                                 'var' => 'wgLogo',
 880                                 'label' => 'config-logo',
 881                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 882                         ) )
 883                 );
 884                 $this->addHTML(
 885                         $this->parent->getCheckBox( array(
 886                                 'var' => 'wgUseInstantCommons',
 887                                 'label' => 'config-instantcommons',
 888                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 889                         ) ) .
 890                         $this->getFieldSetEnd()
 891                 );
 892
 893                 $caches = array( 'none' );
 894                 if( count( $this->getVar( '_Caches' ) ) ) {
 895                         $caches[] = 'accel';
 896                 }
 897                 $caches[] = 'memcached';
 898
 899                 $this->addHTML(
 900                         # Advanced settings
 901                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 902                         # Object cache settings
 903                         $this->parent->getRadioSet( array(
 904                                 'var' => 'wgMainCacheType',
 905                                 'label' => 'config-cache-options',
 906                                 'itemLabelPrefix' => 'config-cache-',
 907                                 'values' => $caches,
 908                                 'value' => 'none',
 909                         ) ) .
 910                         $this->parent->getHelpBox( 'config-cache-help' ) .
 911                         '<div id="config-memcachewrapper">' .
 912                         $this->parent->getTextArea( array(
 913                                 'var' => '_MemCachedServers',
 914                                 'label' => 'config-memcached-servers',
 915                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
 916                         ) ) .
 917                         '</div>' .
 918                         $this->getFieldSetEnd()
 919                 );
 920                 $this->endForm();
 921         }
 922
 923         public function getCCPartnerUrl() {
 924                 global $wgServer;
 925                 $exitUrl = $wgServer . $this->parent->getUrl( array(
 926                         'page' => 'Options',
 927                         'SubmitCC' => 'indeed',
 928                         'config__LicenseCode' => 'cc',
 929                         'config_wgRightsUrl' => '[license_url]',
 930                         'config_wgRightsText' => '[license_name]',
 931                         'config_wgRightsIcon' => '[license_button]',
 932                 ) );
 933                 $styleUrl = $wgServer . dirname( dirname( $this->parent->getUrl() ) ) .
 934                         '/skins/common/config-cc.css';
 935                 $iframeUrl = 'http://creativecommons.org/license/?' .
 936                         wfArrayToCGI( array(
 937                                 'partner' => 'MediaWiki',
 938                                 'exit_url' => $exitUrl,
 939                                 'lang' => $this->getVar( '_UserLang' ),
 940                                 'stylesheet' => $styleUrl,
 941                         ) );
 942                 return $iframeUrl;
 943         }
 944
 945         public function getCCChooser() {
 946                 $iframeAttribs = array(
 947                         'class' => 'config-cc-iframe',
 948                         'name' => 'config-cc-iframe',
 949                         'id' => 'config-cc-iframe',
 950                         'frameborder' => 0,
 951                         'width' => '100%',
 952                         'height' => '100%',
 953                 );
 954                 if ( $this->getVar( '_CCDone' ) ) {
 955                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
 956                 } else {
 957                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
 958                 }
 959                 $wrapperStyle = ($this->getVar('_LicenseCode') == 'cc-choose') ? '' : 'display: none';
 960
 961                 return
 962                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
 963                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
 964                         "</div>\n";
 965         }
 966
 967         public function getCCDoneBox() {
 968                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
 969                 // If you change this height, also change it in config.css
 970                 $expandJs = str_replace( '$1', '54em', $js );
 971                 $reduceJs = str_replace( '$1', '70px', $js );
 972                 return
 973                         '<p>'.
 974                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
 975                         '&#160;&#160;' .
 976                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
 977                         "</p>\n" .
 978                         "<p style=\"text-align: center\">" .
 979                         Html::element( 'a',
 980                                 array(
 981                                         'href' => $this->getCCPartnerUrl(),
 982                                         'onclick' => $expandJs,
 983                                 ),
 984                                 wfMsg( 'config-cc-again' )
 985                         ) .
 986                         "</p>\n" .
 987                         "<script type=\"text/javascript\">\n" .
 988                         # Reduce the wrapper div height
 989                         htmlspecialchars( $reduceJs ) .
 990                         "\n" .
 991                         "</script>\n";
 992         }
 993
 994         public function submitCC() {
 995                 $newValues = $this->parent->setVarsFromRequest(
 996                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
 997                 if ( count( $newValues ) != 3 ) {
 998                         $this->parent->showError( 'config-cc-error' );
 999                         return;
1000                 }
1001                 $this->setVar( '_CCDone', true );
1002                 $this->addHTML( $this->getCCDoneBox() );
1003         }
1004
1005         public function submit() {
1006                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1007                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1008                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1009                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1010                         'wgUseInstantCommons' ) );
1011
1012                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1013                         array_keys( $this->parent->rightsProfiles ) ) )
1014                 {
1015                         reset( $this->parent->rightsProfiles );
1016                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1017                 }
1018
1019                 $code = $this->getVar( '_LicenseCode' );
1020                 if ( $code == 'cc-choose' ) {
1021                         if ( !$this->getVar( '_CCDone' ) ) {
1022                                 $this->parent->showError( 'config-cc-not-chosen' );
1023                                 return false;
1024                         }
1025                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1026                         $entry = $this->parent->licenses[$code];
1027                         if ( isset( $entry['text'] ) ) {
1028                                 $this->setVar( 'wgRightsText', $entry['text'] );
1029                         } else {
1030                                 $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
1031                         }
1032                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1033                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1034                 } else {
1035                         $this->setVar( 'wgRightsText', '' );
1036                         $this->setVar( 'wgRightsUrl', '' );
1037                         $this->setVar( 'wgRightsIcon', '' );
1038                 }
1039
1040                 $extsAvailable = $this->parent->findExtensions();
1041                 $extsToInstall = array();
1042                 foreach( $extsAvailable as $ext ) {
1043                         if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1044                                 $extsToInstall[] = $ext;
1045                         }
1046                 }
1047                 $this->parent->setVar( '_Extensions', $extsToInstall );
1048
1049                 if( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1050                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1051                         if( !$memcServers ) {
1052                                 $this->parent->showError( 'config-memcache-needservers' );
1053                                 return false;
1054                         }
1055
1056                         foreach( $memcServers as $server ) {
1057                                 $memcParts = explode( ":", $server );
1058                                 if( !IP::isValid( $memcParts[0] ) ) {
1059                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1060                                         return false;
1061                                 } elseif( !isset( $memcParts[1] )  ) {
1062                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1063                                         return false;
1064                                 } elseif( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1065                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1066                                         return false;
1067                                 }
1068                         }
1069                 }
1070                 return true;
1071         }
1072
1073 }
1074
1075 class WebInstaller_Install extends WebInstallerPage {
1076
1077         public function execute() {
1078                 if( $this->getVar( '_UpgradeDone' ) ) {
1079                         return 'skip';
1080                 } elseif( $this->getVar( '_InstallDone' ) ) {
1081                         return 'continue';
1082                 } elseif( $this->parent->request->wasPosted() ) {
1083                         $this->startForm();
1084                         $this->addHTML("<ul>");
1085                         $results = $this->parent->performInstallation(
1086                                 array( $this, 'startStage'),
1087                                 array( $this, 'endStage' )
1088                         );
1089                         $this->addHTML("</ul>");
1090                         // PerformInstallation bails on a fatal, so make sure the last item
1091                         // completed before giving 'next.' Likewise, only provide back on failure
1092                         $lastStep = end( $results );
1093                         $continue = $lastStep->isOK() ? 'continue' : false;
1094                         $back = $lastStep->isOK() ? false : 'back';
1095                         $this->endForm( $continue, $back );
1096                 } else {
1097                         $this->startForm();
1098                         $this->addHTML( $this->parent->getInfoBox( wfMsgNoTrans( 'config-install-begin' ) ) );
1099                         $this->endForm();
1100                 }
1101                 return true;
1102         }
1103
1104         public function startStage( $step ) {
1105                 $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
1106                 if ( $step == 'extension-tables' ) {
1107                         $this->startLiveBox();
1108                 }
1109         }
1110
1111         public function endStage( $step, $status ) {
1112                 if ( $step == 'extension-tables' ) {
1113                         $this->endLiveBox();
1114                 }
1115                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1116                 $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
1117                 if ( !$status->isOk() ) {
1118                         $html = "<span class=\"error\">$html</span>";
1119                 }
1120                 $this->addHTML( $html . "</li>\n" );
1121                 if( !$status->isGood() ) {
1122                         $this->parent->showStatusBox( $status );
1123                 }
1124         }
1125
1126 }
1127
1128 class WebInstaller_Complete extends WebInstallerPage {
1129
1130         public function execute() {
1131                 // Pop up a dialog box, to make it difficult for the user to forget
1132                 // to download the file
1133                 $lsUrl = $GLOBALS['wgServer'] . $this->parent->getURL( array( 'localsettings' => 1 ) );
1134                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1135                         // JS appears the only method that works consistently with IE7+
1136                         $this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] . '">jQuery( document ).ready( function() { document.location='
1137                                 . Xml::encodeJsVar( $lsUrl) . "; } );</script>\n" );
1138                 } else {
1139                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1140                 }
1141
1142                 $this->startForm();
1143                 $this->parent->disableLinkPopups();
1144                 $this->addHTML(
1145                         $this->parent->getInfoBox(
1146                                 wfMsgNoTrans( 'config-install-done',
1147                                         $lsUrl,
1148                                         $GLOBALS['wgServer'] .
1149                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1150                                                 $this->getVar( 'wgScriptExtension' ),
1151                                         '<downloadlink/>'
1152                                 ), 'tick-32.png'
1153                         )
1154                 );
1155                 $this->parent->restoreLinkPopups();
1156                 $this->endForm( false, false );
1157         }
1158 }
1159
1160 class WebInstaller_Restart extends WebInstallerPage {
1161
1162         public function execute() {
1163                 $r = $this->parent->request;
1164                 if ( $r->wasPosted() ) {
1165                         $really = $r->getVal( 'submit-restart' );
1166                         if ( $really ) {
1167                                 $this->parent->reset();
1168                         }
1169                         return 'continue';
1170                 }
1171
1172                 $this->startForm();
1173                 $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
1174                 $this->addHTML( $s );
1175                 $this->endForm( 'restart' );
1176         }
1177
1178 }
1179
1180 abstract class WebInstaller_Document extends WebInstallerPage {
1181
1182         protected abstract function getFileName();
1183
1184         public  function execute() {
1185                 $text = $this->getFileContents();
1186                 $text = $this->formatTextFile( $text );
1187                 $this->parent->output->addWikiText( $text );
1188                 $this->startForm();
1189                 $this->endForm( false );
1190         }
1191
1192         public  function getFileContents() {
1193                 return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
1194         }
1195
1196         protected function formatTextFile( $text ) {
1197                 // Use Unix line endings, escape some wikitext stuff
1198                 $text = str_replace( array( '<', '{{', '[[', "\r" ),
1199                         array( '&lt;', '&#123;&#123;', '&#91;&#91;', '' ), $text );
1200                 // join word-wrapped lines into one
1201                 do {
1202                         $prev = $text;
1203                         $text = preg_replace( "/\n([\\*#\t])([^\n]*?)\n([^\n#\\*:]+)/", "\n\\1\\2 \\3", $text );
1204                 } while ( $text != $prev );
1205                 // Replace tab indents with colons
1206                 $text = preg_replace( '/^\t\t/m', '::', $text );
1207                 $text = preg_replace( '/^\t/m', ':', $text );
1208                 // turn (bug nnnn) into links
1209                 $text = preg_replace_callback('/bug (\d+)/', array( $this, 'replaceBugLinks' ), $text );
1210                 // add links to manual to every global variable mentioned
1211                 $text = preg_replace_callback('/(\$wg[a-z0-9_]+)/i', array( $this, 'replaceConfigLinks' ), $text );
1212                 return $text;
1213         }
1214
1215         private function replaceBugLinks( $matches ) {
1216                 return '<span class="config-plainlink">[https://bugzilla.wikimedia.org/' .
1217                         $matches[1] . ' bug ' . $matches[1] . ']</span>';
1218         }
1219
1220         private function replaceConfigLinks( $matches ) {
1221                 return '<span class="config-plainlink">[http://www.mediawiki.org/wiki/Manual:' .
1222                         $matches[1] . ' ' . $matches[1] . ']</span>';
1223         }
1224
1225 }
1226
1227 class WebInstaller_Readme extends WebInstaller_Document {
1228         protected function getFileName() { return 'README'; }
1229 }
1230
1231 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1232         protected function getFileName() { return 'RELEASE-NOTES'; }
1233 }
1234
1235 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1236         protected function getFileName() { return 'UPGRADE'; }
1237 }
1238
1239 class WebInstaller_Copying extends WebInstaller_Document {
1240         protected function getFileName() { return 'COPYING'; }
1241 }
1242