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                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 254                                 $this->parent->generateKeys();
 255                                 $this->setVar( 'wgSecretKey', $secretKey );
 256                                 $this->setVar( '_UpgradeKeySupplied', true );
 257                         }
 258                         $this->startForm();
 259                         $this->addHTML( $this->parent->getInfoBox(
 260                                 wfMsgNoTrans( 'config-upgrade-key-missing',
 261                                         "<pre>\$wgUpgradeKey = '" . $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )
 262                         ) );
 263                         $this->endForm( 'continue' );
 264                         return 'output';
 265                 }
 266
 267                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 268
 269                 $r = $this->parent->request;
 270                 if ( $r->wasPosted() ) {
 271                         $key = $r->getText( 'config_wgUpgradeKey' );
 272                         if( !$key || $key !== $vars['wgUpgradeKey'] ) {
 273                                 $this->parent->showError( 'config-localsettings-badkey' );
 274                                 $this->showKeyForm();
 275                                 return 'output';
 276                         }
 277                         // Key was OK
 278                         $status = $this->handleExistingUpgrade( $vars );
 279                         if ( $status->isOK() ) {
 280                                 return 'continue';
 281                         } else {
 282                                 $this->parent->showStatusBox( $status );
 283                                 $this->showKeyForm();
 284                                 return 'output';
 285                         }
 286                 } else {
 287                         $this->showKeyForm();
 288                         return 'output';
 289                 }
 290         }
 291
 292         /**
 293          * Show the "enter key" form
 294          */
 295         protected function showKeyForm() {
 296                 $this->startForm();
 297                 $this->addHTML(
 298                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-localsettings-upgrade' ) ).
 299                         '<br />' .
 300                         $this->parent->getTextBox( array(
 301                                 'var' => 'wgUpgradeKey',
 302                                 'label' => 'config-localsettings-key',
 303                                 'attribs' => array( 'autocomplete' => 'off' ),
 304                         ) )
 305                 );
 306                 $this->endForm( 'continue' );
 307         }
 308
 309         protected function importVariables( $names, $vars ) {
 310                 $status = Status::newGood();
 311                 foreach ( $names as $name ) {
 312                         if ( !isset( $vars[$name] ) ) {
 313                                 $status->fatal( 'config-localsettings-incomplete', $name );
 314                         }
 315                         $this->setVar( $name, $vars[$name] );
 316                 }
 317                 return $status;
 318         }
 319
 320         /**
 321          * Initiate an upgrade of the existing database
 322          * @param $vars Variables from LocalSettings.php and AdminSettings.php
 323          * @return Status
 324          */
 325         protected function handleExistingUpgrade( $vars ) {
 326                 // Check $wgDBtype
 327                 if ( !isset( $vars['wgDBtype'] ) || !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 328                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 329                 }
 330
 331                 // Set the relevant variables from LocalSettings.php
 332                 $requiredVars = array( 'wgDBtype' );
 333                 $status = $this->importVariables( $requiredVars , $vars );
 334                 $installer = $this->parent->getDBInstaller();
 335                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 336                 if ( !$status->isOK() ) {
 337                         return $status;
 338                 }
 339
 340                 if ( isset( $vars['wgDBadminuser'] ) ) {
 341                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 342                 } else {
 343                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 344                 }
 345                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 346                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 347                 } else {
 348                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 349                 }
 350
 351                 // Test the database connection
 352                 $status = $installer->getConnection();
 353                 if ( !$status->isOK() ) {
 354                         // Adjust the error message to explain things correctly
 355                         $status->replaceMessage( 'config-connection-error',
 356                                 'config-localsettings-connection-error' );
 357                         return $status;
 358                 }
 359
 360                 // All good
 361                 $this->setVar( '_ExistingDBSettings', true );
 362                 return $status;
 363         }
 364 }
 365
 366 class WebInstaller_Welcome extends WebInstallerPage {
 367
 368         public function execute() {
 369                 if ( $this->parent->request->wasPosted() ) {
 370                         if ( $this->getVar( '_Environment' ) ) {
 371                                 return 'continue';
 372                         }
 373                 }
 374                 $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
 375                 $status = $this->parent->doEnvironmentChecks();
 376                 if ( $status->isGood() ) {
 377                         $this->parent->output->addHTML( '<span class="success-message">' .
 378                                 wfMsgHtml( 'config-env-good' ) . '</span>' );
 379                         $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright',
 380                                 SpecialVersion::getCopyrightAndAuthorList() ) );
 381                         $this->startForm();
 382                         $this->endForm();
 383                 } else {
 384                         $this->parent->showStatusMessage( $status );
 385                 }
 386         }
 387
 388 }
 389
 390 class WebInstaller_DBConnect extends WebInstallerPage {
 391
 392         public function execute() {
 393                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 394                         return 'skip';
 395                 }
 396
 397                 $r = $this->parent->request;
 398                 if ( $r->wasPosted() ) {
 399                         $status = $this->submit();
 400
 401                         if ( $status->isGood() ) {
 402                                 $this->setVar( '_UpgradeDone', false );
 403                                 return 'continue';
 404                         } else {
 405                                 $this->parent->showStatusBox( $status );
 406                         }
 407                 }
 408
 409                 $this->startForm();
 410
 411                 $types = "<ul class=\"config-settings-block\">\n";
 412                 $settings = '';
 413                 $defaultType = $this->getVar( 'wgDBtype' );
 414
 415                 $dbSupport = '';
 416                 foreach( $this->parent->getDBTypes() as $type ) {
 417                         $link = DatabaseBase::newFromType( $type )->getSoftwareLink();
 418                         $dbSupport .= wfMsgNoTrans( "config-support-$type", $link ) . "\n";
 419                 }
 420                 $this->addHTML( $this->parent->getInfoBox(
 421                         wfMsg( 'config-support-info', $dbSupport ) ) );
 422
 423                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 424                         $installer = $this->parent->getDBInstaller( $type );
 425                         $types .=
 426                                 '<li>' .
 427                                 Xml::radioLabel(
 428                                         $installer->getReadableName(),
 429                                         'DBType',
 430                                         $type,
 431                                         "DBType_$type",
 432                                         $type == $defaultType,
 433                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 434                                 ) .
 435                                 "</li>\n";
 436
 437                         $settings .=
 438                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
 439                                 Html::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
 440                                 $installer->getConnectForm() .
 441                                 "</div>\n";
 442                 }
 443                 $types .= "</ul><br clear=\"left\"/>\n";
 444
 445                 $this->addHTML(
 446                         $this->parent->label( 'config-db-type', false, $types ) .
 447                         $settings
 448                 );
 449
 450                 $this->endForm();
 451         }
 452
 453         public function submit() {
 454                 $r = $this->parent->request;
 455                 $type = $r->getVal( 'DBType' );
 456                 $this->setVar( 'wgDBtype', $type );
 457                 $installer = $this->parent->getDBInstaller( $type );
 458                 if ( !$installer ) {
 459                         return Status::newFatal( 'config-invalid-db-type' );
 460                 }
 461                 return $installer->submitConnectForm();
 462         }
 463
 464 }
 465
 466 class WebInstaller_Upgrade extends WebInstallerPage {
 467
 468         public function execute() {
 469                 if ( $this->getVar( '_UpgradeDone' ) ) {
 470                         // Allow regeneration of LocalSettings.php, unless we are working
 471                         // from a pre-existing LocalSettings.php file and we want to avoid
 472                         // leaking its contents
 473                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 474                                 // Done message acknowledged
 475                                 return 'continue';
 476                         } else {
 477                                 // Back button click
 478                                 // Show the done message again
 479                                 // Make them click back again if they want to do the upgrade again
 480                                 $this->showDoneMessage();
 481                                 return 'output';
 482                         }
 483                 }
 484
 485                 // wgDBtype is generally valid here because otherwise the previous page
 486                 // (connect) wouldn't have declared its happiness
 487                 $type = $this->getVar( 'wgDBtype' );
 488                 $installer = $this->parent->getDBInstaller( $type );
 489
 490                 if ( !$installer->needsUpgrade() ) {
 491                         return 'skip';
 492                 }
 493
 494                 if ( $this->parent->request->wasPosted() ) {
 495                         $installer->preUpgrade();
 496
 497                         $this->startLiveBox();
 498                         $result = $installer->doUpgrade();
 499                         $this->endLiveBox();
 500
 501                         if ( $result ) {
 502                                 // If they're going to possibly regenerate LocalSettings, we
 503                                 // need to create the upgrade/secret keys. Bug 26481
 504                                 if( !$this->getVar( '_ExistingDBSettings' ) ) {
 505                                         $this->parent->generateKeys();
 506                                 }
 507                                 $this->setVar( '_UpgradeDone', true );
 508                                 $this->showDoneMessage();
 509                                 return 'output';
 510                         }
 511                 }
 512
 513                 $this->startForm();
 514                 $this->addHTML( $this->parent->getInfoBox(
 515                         wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
 516                 $this->endForm();
 517         }
 518
 519         public function showDoneMessage() {
 520                 $this->startForm();
 521                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 522                 if ( $regenerate ) {
 523                         $msg = 'config-upgrade-done';
 524                 } else {
 525                         $msg = 'config-upgrade-done-no-regenerate';
 526                 }
 527                 $this->parent->disableLinkPopups();
 528                 $this->addHTML(
 529                         $this->parent->getInfoBox(
 530                                 wfMsgNoTrans( $msg,
 531                                         $GLOBALS['wgServer'] .
 532                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 533                                                 $this->getVar( 'wgScriptExtension' )
 534                                 ), 'tick-32.png'
 535                         )
 536                 );
 537                 $this->parent->restoreLinkPopups();
 538                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 539         }
 540
 541 }
 542
 543 class WebInstaller_DBSettings extends WebInstallerPage {
 544
 545         public function execute() {
 546                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 547
 548                 $r = $this->parent->request;
 549                 if ( $r->wasPosted() ) {
 550                         $status = $installer->submitSettingsForm();
 551                         if ( $status === false ) {
 552                                 return 'skip';
 553                         } elseif ( $status->isGood() ) {
 554                                 return 'continue';
 555                         } else {
 556                                 $this->parent->showStatusBox( $status );
 557                         }
 558                 }
 559
 560                 $form = $installer->getSettingsForm();
 561                 if ( $form === false ) {
 562                         return 'skip';
 563                 }
 564
 565                 $this->startForm();
 566                 $this->addHTML( $form );
 567                 $this->endForm();
 568         }
 569
 570 }
 571
 572 class WebInstaller_Name extends WebInstallerPage {
 573
 574         public function execute() {
 575                 $r = $this->parent->request;
 576                 if ( $r->wasPosted() ) {
 577                         if ( $this->submit() ) {
 578                                 return 'continue';
 579                         }
 580                 }
 581
 582                 $this->startForm();
 583
 584                 // Encourage people to not name their site 'MediaWiki' by blanking the
 585                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 586                 // but these two always were the same so had the effect of making the
 587                 // installer forget $wgSitename when navigating back to this page.
 588                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 589                         $this->setVar( 'wgSitename', '' );
 590                 }
 591
 592                 // Set wgMetaNamespace to something valid before we show the form.
 593                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 594                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 595                 $this->setVar( 'wgMetaNamespace', wfMsgForContent( 'config-ns-other-default' ) );
 596
 597                 $this->addHTML(
 598                         $this->parent->getTextBox( array(
 599                                 'var' => 'wgSitename',
 600                                 'label' => 'config-site-name',
 601                           'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 602                         ) ) .
 603                         $this->parent->getRadioSet( array(
 604                                 'var' => '_NamespaceType',
 605                                 'label' => 'config-project-namespace',
 606                                 'itemLabelPrefix' => 'config-ns-',
 607                                 'values' => array( 'site-name', 'generic', 'other' ),
 608                                 'commonAttribs' => array( 'class' => 'enableForOther', 'rel' => 'config_wgMetaNamespace' ),
 609                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 610                         ) ) .
 611                         $this->parent->getTextBox( array(
 612                                 'var' => 'wgMetaNamespace',
 613                                 'label' => '', //TODO: Needs a label?
 614                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 615
 616                         ) ) .
 617                         $this->getFieldSetStart( 'config-admin-box' ) .
 618                         $this->parent->getTextBox( array(
 619                                 'var' => '_AdminName',
 620                                 'label' => 'config-admin-name',
 621                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 622                         ) ) .
 623                         $this->parent->getPasswordBox( array(
 624                                 'var' => '_AdminPassword',
 625                                 'label' => 'config-admin-password',
 626                         ) ) .
 627                         $this->parent->getPasswordBox( array(
 628                                 'var' => '_AdminPassword2',
 629                                 'label' => 'config-admin-password-confirm'
 630                         ) ) .
 631                         $this->parent->getTextBox( array(
 632                                 'var' => '_AdminEmail',
 633                                 'label' => 'config-admin-email',
 634                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 635                         ) ) .
 636                         $this->parent->getCheckBox( array(
 637                                 'var' => '_Subscribe',
 638                                 'label' => 'config-subscribe',
 639                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 640                         ) ) .
 641                         $this->getFieldSetEnd() .
 642                         $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
 643                         $this->parent->getRadioSet( array(
 644                                 'var' => '_SkipOptional',
 645                                 'itemLabelPrefix' => 'config-optional-',
 646                                 'values' => array( 'continue', 'skip' )
 647                         ) )
 648                 );
 649
 650                 // Restore the default value
 651                 $this->setVar( 'wgMetaNamespace', $metaNS );
 652
 653                 $this->endForm();
 654                 return 'output';
 655         }
 656
 657         public function submit() {
 658                 $retVal = true;
 659                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 660                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 661                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 662
 663                 // Validate site name
 664                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 665                         $this->parent->showError( 'config-site-name-blank' );
 666                         $retVal = false;
 667                 }
 668
 669                 // Fetch namespace
 670                 $nsType = $this->getVar( '_NamespaceType' );
 671                 if ( $nsType == 'site-name' ) {
 672                         $name = $this->getVar( 'wgSitename' );
 673                         // Sanitize for namespace
 674                         // This algorithm should match the JS one in WebInstallerOutput.php
 675                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 676                         $name = str_replace( '&', '&amp;', $name );
 677                         $name = preg_replace( '/__+/', '_', $name );
 678                         $name = ucfirst( trim( $name, '_' ) );
 679                 } elseif ( $nsType == 'generic' ) {
 680                         $name = wfMsg( 'config-ns-generic' );
 681                 } else { // other
 682                         $name = $this->getVar( 'wgMetaNamespace' );
 683                 }
 684
 685                 // Validate namespace
 686                 if ( strpos( $name, ':' ) !== false ) {
 687                         $good = false;
 688                 } else {
 689                         // Title-style validation
 690                         $title = Title::newFromText( $name );
 691                         if ( !$title ) {
 692                                 $good = $nsType == 'site-name';
 693                         } else {
 694                                 $name = $title->getDBkey();
 695                                 $good = true;
 696                         }
 697                 }
 698                 if ( !$good ) {
 699                         $this->parent->showError( 'config-ns-invalid', $name );
 700                         $retVal = false;
 701                 }
 702
 703                 // Make sure it won't conflict with any existing namespaces
 704                 global $wgContLang;
 705                 $nsIndex = $wgContLang->getNsIndex( $name );
 706                 if( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 707                         $this->parent->showError( 'config-ns-conflict', $name );
 708                         $retVal = false;
 709                 }
 710
 711                 $this->setVar( 'wgMetaNamespace', $name );
 712
 713                 // Validate username for creation
 714                 $name = $this->getVar( '_AdminName' );
 715                 if ( strval( $name ) === '' ) {
 716                         $this->parent->showError( 'config-admin-name-blank' );
 717                         $cname = $name;
 718                         $retVal = false;
 719                 } else {
 720                         $cname = User::getCanonicalName( $name, 'creatable' );
 721                         if ( $cname === false ) {
 722                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 723                                 $retVal = false;
 724                         } else {
 725                                 $this->setVar( '_AdminName', $cname );
 726                         }
 727                 }
 728
 729                 // Validate password
 730                 $msg = false;
 731                 $valid = false;
 732                 $pwd = $this->getVar( '_AdminPassword' );
 733                 $user = User::newFromName( $cname );
 734                 $valid = $user && $user->getPasswordValidity( $pwd );
 735                 if ( strval( $pwd ) === '' ) {
 736                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 737                         # This message is more specific and helpful.
 738                         $msg = 'config-admin-password-blank';
 739                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 740                         $msg = 'config-admin-password-mismatch';
 741                 } elseif ( $valid !== true ) {
 742                         # As of writing this will only catch the username being e.g. 'FOO' and
 743                         # the password 'foo'
 744                         $msg = $valid;
 745                 }
 746                 if ( $msg !== false ) {
 747                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 748                         $this->setVar( '_AdminPassword', '' );
 749                         $this->setVar( '_AdminPassword2', '' );
 750                         $retVal = false;
 751                 }
 752
 753                 // Validate e-mail if provided
 754                 $email = $this->getVar( '_AdminEmail' );
 755                 if( $email && !User::isValidEmailAddr( $email ) ) {
 756                         $this->parent->showError( 'config-admin-error-bademail' );
 757                         $retVal = false;
 758                 }
 759
 760                 return $retVal;
 761         }
 762
 763 }
 764
 765 class WebInstaller_Options extends WebInstallerPage {
 766
 767         public function execute() {
 768                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 769                         return 'skip';
 770                 }
 771                 if ( $this->parent->request->wasPosted() ) {
 772                         if ( $this->submit() ) {
 773                                 return 'continue';
 774                         }
 775                 }
 776
 777                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 778                 $this->startForm();
 779                 $this->addHTML(
 780                         # User Rights
 781                         $this->parent->getRadioSet( array(
 782                                 'var' => '_RightsProfile',
 783                                 'label' => 'config-profile',
 784                                 'itemLabelPrefix' => 'config-profile-',
 785                                 'values' => array_keys( $this->parent->rightsProfiles ),
 786                         ) ) .
 787                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-profile-help' ) ) .
 788
 789                         # Licensing
 790                         $this->parent->getRadioSet( array(
 791                                 'var' => '_LicenseCode',
 792                                 'label' => 'config-license',
 793                                 'itemLabelPrefix' => 'config-license-',
 794                                 'values' => array_keys( $this->parent->licenses ),
 795                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 796                         ) ) .
 797                         $this->getCCChooser() .
 798                         $this->parent->getHelpBox( 'config-license-help' ) .
 799
 800                         # E-mail
 801                         $this->getFieldSetStart( 'config-email-settings' ) .
 802                         $this->parent->getCheckBox( array(
 803                                 'var' => 'wgEnableEmail',
 804                                 'label' => 'config-enable-email',
 805                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 806                         ) ) .
 807                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 808                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 809                         $this->parent->getTextBox( array(
 810                                 'var' => 'wgPasswordSender',
 811                                 'label' => 'config-email-sender'
 812                         ) ) .
 813                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 814                         $this->parent->getCheckBox( array(
 815                                 'var' => 'wgEnableUserEmail',
 816                                 'label' => 'config-email-user',
 817                         ) ) .
 818                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 819                         $this->parent->getCheckBox( array(
 820                                 'var' => 'wgEnotifUserTalk',
 821                                 'label' => 'config-email-usertalk',
 822                         ) ) .
 823                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 824                         $this->parent->getCheckBox( array(
 825                                 'var' => 'wgEnotifWatchlist',
 826                                 'label' => 'config-email-watchlist',
 827                         ) ) .
 828                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 829                         $this->parent->getCheckBox( array(
 830                                 'var' => 'wgEmailAuthentication',
 831                                 'label' => 'config-email-auth',
 832                         ) ) .
 833                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 834                         "</div>" .
 835                         $this->getFieldSetEnd()
 836                 );
 837
 838                 $extensions = $this->parent->findExtensions();
 839
 840                 if( $extensions ) {
 841                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 842
 843                         foreach( $extensions as $ext ) {
 844                                 $extHtml .= $this->parent->getCheckBox( array(
 845                                         'var' => "ext-$ext",
 846                                         'rawtext' => $ext,
 847                                 ) );
 848                         }
 849
 850                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 851                         $this->getFieldSetEnd();
 852                         $this->addHTML( $extHtml );
 853                 }
 854
 855                 // Having / in paths in Windows looks funny :)
 856                 $this->setVar( 'wgDeletedDirectory',
 857                         str_replace(
 858                                 '/', DIRECTORY_SEPARATOR,
 859                                 $this->getVar( 'wgDeletedDirectory' )
 860                         )
 861                 );
 862
 863                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 864                 $this->addHTML(
 865                         # Uploading
 866                         $this->getFieldSetStart( 'config-upload-settings' ) .
 867                         $this->parent->getCheckBox( array(
 868                                 'var' => 'wgEnableUploads',
 869                                 'label' => 'config-upload-enable',
 870                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 871                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 872                         ) ) .
 873                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 874                         $this->parent->getTextBox( array(
 875                                 'var' => 'wgDeletedDirectory',
 876                                 'label' => 'config-upload-deleted',
 877                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 878                         ) ) .
 879                         '</div>' .
 880                         $this->parent->getTextBox( array(
 881                                 'var' => 'wgLogo',
 882                                 'label' => 'config-logo',
 883                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 884                         ) )
 885                 );
 886                 $this->addHTML(
 887                         $this->parent->getCheckBox( array(
 888                                 'var' => 'wgUseInstantCommons',
 889                                 'label' => 'config-instantcommons',
 890                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 891                         ) ) .
 892                         $this->getFieldSetEnd()
 893                 );
 894
 895                 $caches = array( 'none' );
 896                 if( count( $this->getVar( '_Caches' ) ) ) {
 897                         $caches[] = 'accel';
 898                 }
 899                 $caches[] = 'memcached';
 900
 901                 $this->addHTML(
 902                         # Advanced settings
 903                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 904                         # Object cache settings
 905                         $this->parent->getRadioSet( array(
 906                                 'var' => 'wgMainCacheType',
 907                                 'label' => 'config-cache-options',
 908                                 'itemLabelPrefix' => 'config-cache-',
 909                                 'values' => $caches,
 910                                 'value' => 'none',
 911                         ) ) .
 912                         $this->parent->getHelpBox( 'config-cache-help' ) .
 913                         '<div id="config-memcachewrapper">' .
 914                         $this->parent->getTextArea( array(
 915                                 'var' => '_MemCachedServers',
 916                                 'label' => 'config-memcached-servers',
 917                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
 918                         ) ) .
 919                         '</div>' .
 920                         $this->getFieldSetEnd()
 921                 );
 922                 $this->endForm();
 923         }
 924
 925         public function getCCPartnerUrl() {
 926                 global $wgServer;
 927                 $exitUrl = $wgServer . $this->parent->getUrl( array(
 928                         'page' => 'Options',
 929                         'SubmitCC' => 'indeed',
 930                         'config__LicenseCode' => 'cc',
 931                         'config_wgRightsUrl' => '[license_url]',
 932                         'config_wgRightsText' => '[license_name]',
 933                         'config_wgRightsIcon' => '[license_button]',
 934                 ) );
 935                 $styleUrl = $wgServer . dirname( dirname( $this->parent->getUrl() ) ) .
 936                         '/skins/common/config-cc.css';
 937                 $iframeUrl = 'http://creativecommons.org/license/?' .
 938                         wfArrayToCGI( array(
 939                                 'partner' => 'MediaWiki',
 940                                 'exit_url' => $exitUrl,
 941                                 'lang' => $this->getVar( '_UserLang' ),
 942                                 'stylesheet' => $styleUrl,
 943                         ) );
 944                 return $iframeUrl;
 945         }
 946
 947         public function getCCChooser() {
 948                 $iframeAttribs = array(
 949                         'class' => 'config-cc-iframe',
 950                         'name' => 'config-cc-iframe',
 951                         'id' => 'config-cc-iframe',
 952                         'frameborder' => 0,
 953                         'width' => '100%',
 954                         'height' => '100%',
 955                 );
 956                 if ( $this->getVar( '_CCDone' ) ) {
 957                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
 958                 } else {
 959                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
 960                 }
 961                 $wrapperStyle = ($this->getVar('_LicenseCode') == 'cc-choose') ? '' : 'display: none';
 962
 963                 return
 964                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
 965                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
 966                         "</div>\n";
 967         }
 968
 969         public function getCCDoneBox() {
 970                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
 971                 // If you change this height, also change it in config.css
 972                 $expandJs = str_replace( '$1', '54em', $js );
 973                 $reduceJs = str_replace( '$1', '70px', $js );
 974                 return
 975                         '<p>'.
 976                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
 977                         '&#160;&#160;' .
 978                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
 979                         "</p>\n" .
 980                         "<p style=\"text-align: center\">" .
 981                         Html::element( 'a',
 982                                 array(
 983                                         'href' => $this->getCCPartnerUrl(),
 984                                         'onclick' => $expandJs,
 985                                 ),
 986                                 wfMsg( 'config-cc-again' )
 987                         ) .
 988                         "</p>\n" .
 989                         "<script type=\"text/javascript\">\n" .
 990                         # Reduce the wrapper div height
 991                         htmlspecialchars( $reduceJs ) .
 992                         "\n" .
 993                         "</script>\n";
 994         }
 995
 996         public function submitCC() {
 997                 $newValues = $this->parent->setVarsFromRequest(
 998                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
 999                 if ( count( $newValues ) != 3 ) {
1000                         $this->parent->showError( 'config-cc-error' );
1001                         return;
1002                 }
1003                 $this->setVar( '_CCDone', true );
1004                 $this->addHTML( $this->getCCDoneBox() );
1005         }
1006
1007         public function submit() {
1008                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1009                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1010                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1011                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1012                         'wgUseInstantCommons' ) );
1013
1014                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1015                         array_keys( $this->parent->rightsProfiles ) ) )
1016                 {
1017                         reset( $this->parent->rightsProfiles );
1018                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1019                 }
1020
1021                 $code = $this->getVar( '_LicenseCode' );
1022                 if ( $code == 'cc-choose' ) {
1023                         if ( !$this->getVar( '_CCDone' ) ) {
1024                                 $this->parent->showError( 'config-cc-not-chosen' );
1025                                 return false;
1026                         }
1027                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1028                         $entry = $this->parent->licenses[$code];
1029                         if ( isset( $entry['text'] ) ) {
1030                                 $this->setVar( 'wgRightsText', $entry['text'] );
1031                         } else {
1032                                 $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
1033                         }
1034                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1035                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1036                 } else {
1037                         $this->setVar( 'wgRightsText', '' );
1038                         $this->setVar( 'wgRightsUrl', '' );
1039                         $this->setVar( 'wgRightsIcon', '' );
1040                 }
1041
1042                 $extsAvailable = $this->parent->findExtensions();
1043                 $extsToInstall = array();
1044                 foreach( $extsAvailable as $ext ) {
1045                         if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1046                                 $extsToInstall[] = $ext;
1047                         }
1048                 }
1049                 $this->parent->setVar( '_Extensions', $extsToInstall );
1050
1051                 if( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1052                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1053                         if( !$memcServers ) {
1054                                 $this->parent->showError( 'config-memcache-needservers' );
1055                                 return false;
1056                         }
1057
1058                         foreach( $memcServers as $server ) {
1059                                 $memcParts = explode( ":", $server );
1060                                 if( !IP::isValid( $memcParts[0] ) ) {
1061                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1062                                         return false;
1063                                 } elseif( !isset( $memcParts[1] )  ) {
1064                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1065                                         return false;
1066                                 } elseif( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1067                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1068                                         return false;
1069                                 }
1070                         }
1071                 }
1072                 return true;
1073         }
1074
1075 }
1076
1077 class WebInstaller_Install extends WebInstallerPage {
1078
1079         public function execute() {
1080                 if( $this->getVar( '_UpgradeDone' ) ) {
1081                         return 'skip';
1082                 } elseif( $this->getVar( '_InstallDone' ) ) {
1083                         return 'continue';
1084                 } elseif( $this->parent->request->wasPosted() ) {
1085                         $this->startForm();
1086                         $this->addHTML("<ul>");
1087                         $results = $this->parent->performInstallation(
1088                                 array( $this, 'startStage'),
1089                                 array( $this, 'endStage' )
1090                         );
1091                         $this->addHTML("</ul>");
1092                         // PerformInstallation bails on a fatal, so make sure the last item
1093                         // completed before giving 'next.' Likewise, only provide back on failure
1094                         $lastStep = end( $results );
1095                         $continue = $lastStep->isOK() ? 'continue' : false;
1096                         $back = $lastStep->isOK() ? false : 'back';
1097                         $this->endForm( $continue, $back );
1098                 } else {
1099                         $this->startForm();
1100                         $this->addHTML( $this->parent->getInfoBox( wfMsgNoTrans( 'config-install-begin' ) ) );
1101                         $this->endForm();
1102                 }
1103                 return true;
1104         }
1105
1106         public function startStage( $step ) {
1107                 $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
1108                 if ( $step == 'extension-tables' ) {
1109                         $this->startLiveBox();
1110                 }
1111         }
1112
1113         public function endStage( $step, $status ) {
1114                 if ( $step == 'extension-tables' ) {
1115                         $this->endLiveBox();
1116                 }
1117                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1118                 $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
1119                 if ( !$status->isOk() ) {
1120                         $html = "<span class=\"error\">$html</span>";
1121                 }
1122                 $this->addHTML( $html . "</li>\n" );
1123                 if( !$status->isGood() ) {
1124                         $this->parent->showStatusBox( $status );
1125                 }
1126         }
1127
1128 }
1129
1130 class WebInstaller_Complete extends WebInstallerPage {
1131
1132         public function execute() {
1133                 // Pop up a dialog box, to make it difficult for the user to forget
1134                 // to download the file
1135                 $lsUrl = $GLOBALS['wgServer'] . $this->parent->getURL( array( 'localsettings' => 1 ) );
1136                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1137                         // JS appears the only method that works consistently with IE7+
1138                         $this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] . '">jQuery( document ).ready( function() { document.location='
1139                                 . Xml::encodeJsVar( $lsUrl) . "; } );</script>\n" );
1140                 } else {
1141                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1142                 }
1143
1144                 $this->startForm();
1145                 $this->parent->disableLinkPopups();
1146                 $this->addHTML(
1147                         $this->parent->getInfoBox(
1148                                 wfMsgNoTrans( 'config-install-done',
1149                                         $lsUrl,
1150                                         $GLOBALS['wgServer'] .
1151                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1152                                                 $this->getVar( 'wgScriptExtension' ),
1153                                         '<downloadlink/>'
1154                                 ), 'tick-32.png'
1155                         )
1156                 );
1157                 $this->parent->restoreLinkPopups();
1158                 $this->endForm( false, false );
1159         }
1160 }
1161
1162 class WebInstaller_Restart extends WebInstallerPage {
1163
1164         public function execute() {
1165                 $r = $this->parent->request;
1166                 if ( $r->wasPosted() ) {
1167                         $really = $r->getVal( 'submit-restart' );
1168                         if ( $really ) {
1169                                 $this->parent->reset();
1170                         }
1171                         return 'continue';
1172                 }
1173
1174                 $this->startForm();
1175                 $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
1176                 $this->addHTML( $s );
1177                 $this->endForm( 'restart' );
1178         }
1179
1180 }
1181
1182 abstract class WebInstaller_Document extends WebInstallerPage {
1183
1184         protected abstract function getFileName();
1185
1186         public  function execute() {
1187                 $text = $this->getFileContents();
1188                 $text = $this->formatTextFile( $text );
1189                 $this->parent->output->addWikiText( $text );
1190                 $this->startForm();
1191                 $this->endForm( false );
1192         }
1193
1194         public  function getFileContents() {
1195                 return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
1196         }
1197
1198         protected function formatTextFile( $text ) {
1199                 // Use Unix line endings, escape some wikitext stuff
1200                 $text = str_replace( array( '<', '{{', '[[', "\r" ),
1201                         array( '&lt;', '&#123;&#123;', '&#91;&#91;', '' ), $text );
1202                 // join word-wrapped lines into one
1203                 do {
1204                         $prev = $text;
1205                         $text = preg_replace( "/\n([\\*#\t])([^\n]*?)\n([^\n#\\*:]+)/", "\n\\1\\2 \\3", $text );
1206                 } while ( $text != $prev );
1207                 // Replace tab indents with colons
1208                 $text = preg_replace( '/^\t\t/m', '::', $text );
1209                 $text = preg_replace( '/^\t/m', ':', $text );
1210                 // turn (bug nnnn) into links
1211                 $text = preg_replace_callback('/bug (\d+)/', array( $this, 'replaceBugLinks' ), $text );
1212                 // add links to manual to every global variable mentioned
1213                 $text = preg_replace_callback('/(\$wg[a-z0-9_]+)/i', array( $this, 'replaceConfigLinks' ), $text );
1214                 return $text;
1215         }
1216
1217         private function replaceBugLinks( $matches ) {
1218                 return '<span class="config-plainlink">[https://bugzilla.wikimedia.org/' .
1219                         $matches[1] . ' bug ' . $matches[1] . ']</span>';
1220         }
1221
1222         private function replaceConfigLinks( $matches ) {
1223                 return '<span class="config-plainlink">[http://www.mediawiki.org/wiki/Manual:' .
1224                         $matches[1] . ' ' . $matches[1] . ']</span>';
1225         }
1226
1227 }
1228
1229 class WebInstaller_Readme extends WebInstaller_Document {
1230         protected function getFileName() { return 'README'; }
1231 }
1232
1233 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1234         protected function getFileName() { return 'RELEASE-NOTES'; }
1235 }
1236
1237 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1238         protected function getFileName() { return 'UPGRADE'; }
1239 }
1240
1241 class WebInstaller_Copying extends WebInstaller_Document {
1242         protected function getFileName() { return 'COPYING'; }
1243 }
1244