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, $helpHtml = '' ) {
 209                 global $wgDummyLanguageCodes;
 210
 211                 $s = $helpHtml;
 212
 213                 $s .= Html::openElement( 'select', array( 'id' => $name, 'name' => $name ) ) . "\n";
 214
 215                 $languages = Language::getLanguageNames();
 216                 ksort( $languages );
 217                 $dummies = array_flip( $wgDummyLanguageCodes );
 218                 foreach ( $languages as $code => $lang ) {
 219                         if ( isset( $dummies[$code] ) ) continue;
 220                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 221                 }
 222                 $s .= "\n</select>\n";
 223                 return $this->parent->label( $label, $name, $s );
 224         }
 225
 226 }
 227
 228 class WebInstaller_ExistingWiki extends WebInstallerPage {
 229         public function execute() {
 230                 // If there is no LocalSettings.php, continue to the installer welcome page
 231                 $vars = $this->parent->getExistingLocalSettings();
 232                 if ( !$vars ) {
 233                         return 'skip';
 234                 }
 235
 236                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 237                 if ( $vars['wgUpgradeKey'] !== false
 238                         && $this->getVar( '_UpgradeKeySupplied' )
 239                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 240                 {
 241                         // It's there, so the user is authorized
 242                         $status = $this->handleExistingUpgrade( $vars );
 243                         if ( $status->isOK() ) {
 244                                 return 'skip';
 245                         } else {
 246                                 $this->startForm();
 247                                 $this->parent->showStatusBox( $status );
 248                                 $this->endForm( 'continue' );
 249                                 return 'output';
 250                         }
 251                 }
 252
 253                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 254                 if ( $vars['wgUpgradeKey'] === false ) {
 255                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 256                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 257                                 $this->parent->generateKeys();
 258                                 $this->setVar( 'wgSecretKey', $secretKey );
 259                                 $this->setVar( '_UpgradeKeySupplied', true );
 260                         }
 261                         $this->startForm();
 262                         $this->addHTML( $this->parent->getInfoBox(
 263                                 wfMsgNoTrans( 'config-upgrade-key-missing',
 264                                         "<pre>\$wgUpgradeKey = '" . $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )
 265                         ) );
 266                         $this->endForm( 'continue' );
 267                         return 'output';
 268                 }
 269
 270                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 271
 272                 $r = $this->parent->request;
 273                 if ( $r->wasPosted() ) {
 274                         $key = $r->getText( 'config_wgUpgradeKey' );
 275                         if( !$key || $key !== $vars['wgUpgradeKey'] ) {
 276                                 $this->parent->showError( 'config-localsettings-badkey' );
 277                                 $this->showKeyForm();
 278                                 return 'output';
 279                         }
 280                         // Key was OK
 281                         $status = $this->handleExistingUpgrade( $vars );
 282                         if ( $status->isOK() ) {
 283                                 return 'continue';
 284                         } else {
 285                                 $this->parent->showStatusBox( $status );
 286                                 $this->showKeyForm();
 287                                 return 'output';
 288                         }
 289                 } else {
 290                         $this->showKeyForm();
 291                         return 'output';
 292                 }
 293         }
 294
 295         /**
 296          * Show the "enter key" form
 297          */
 298         protected function showKeyForm() {
 299                 $this->startForm();
 300                 $this->addHTML(
 301                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-localsettings-upgrade' ) ).
 302                         '<br />' .
 303                         $this->parent->getTextBox( array(
 304                                 'var' => 'wgUpgradeKey',
 305                                 'label' => 'config-localsettings-key',
 306                                 'attribs' => array( 'autocomplete' => 'off' ),
 307                         ) )
 308                 );
 309                 $this->endForm( 'continue' );
 310         }
 311
 312         protected function importVariables( $names, $vars ) {
 313                 $status = Status::newGood();
 314                 foreach ( $names as $name ) {
 315                         if ( !isset( $vars[$name] ) ) {
 316                                 $status->fatal( 'config-localsettings-incomplete', $name );
 317                         }
 318                         $this->setVar( $name, $vars[$name] );
 319                 }
 320                 return $status;
 321         }
 322
 323         /**
 324          * Initiate an upgrade of the existing database
 325          * @param $vars Variables from LocalSettings.php and AdminSettings.php
 326          * @return Status
 327          */
 328         protected function handleExistingUpgrade( $vars ) {
 329                 // Check $wgDBtype
 330                 if ( !isset( $vars['wgDBtype'] ) || !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 331                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 332                 }
 333
 334                 // Set the relevant variables from LocalSettings.php
 335                 $requiredVars = array( 'wgDBtype' );
 336                 $status = $this->importVariables( $requiredVars , $vars );
 337                 $installer = $this->parent->getDBInstaller();
 338                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 339                 if ( !$status->isOK() ) {
 340                         return $status;
 341                 }
 342
 343                 if ( isset( $vars['wgDBadminuser'] ) ) {
 344                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 345                 } else {
 346                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 347                 }
 348                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 349                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 350                 } else {
 351                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 352                 }
 353
 354                 // Test the database connection
 355                 $status = $installer->getConnection();
 356                 if ( !$status->isOK() ) {
 357                         // Adjust the error message to explain things correctly
 358                         $status->replaceMessage( 'config-connection-error',
 359                                 'config-localsettings-connection-error' );
 360                         return $status;
 361                 }
 362
 363                 // All good
 364                 $this->setVar( '_ExistingDBSettings', true );
 365                 return $status;
 366         }
 367 }
 368
 369 class WebInstaller_Welcome extends WebInstallerPage {
 370
 371         public function execute() {
 372                 if ( $this->parent->request->wasPosted() ) {
 373                         if ( $this->getVar( '_Environment' ) ) {
 374                                 return 'continue';
 375                         }
 376                 }
 377                 $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
 378                 $status = $this->parent->doEnvironmentChecks();
 379                 if ( $status->isGood() ) {
 380                         $this->parent->output->addHTML( '<span class="success-message">' .
 381                                 wfMsgHtml( 'config-env-good' ) . '</span>' );
 382                         $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright',
 383                                 SpecialVersion::getCopyrightAndAuthorList() ) );
 384                         $this->startForm();
 385                         $this->endForm();
 386                 } else {
 387                         $this->parent->showStatusMessage( $status );
 388                 }
 389         }
 390
 391 }
 392
 393 class WebInstaller_DBConnect extends WebInstallerPage {
 394
 395         public function execute() {
 396                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 397                         return 'skip';
 398                 }
 399
 400                 $r = $this->parent->request;
 401                 if ( $r->wasPosted() ) {
 402                         $status = $this->submit();
 403
 404                         if ( $status->isGood() ) {
 405                                 $this->setVar( '_UpgradeDone', false );
 406                                 return 'continue';
 407                         } else {
 408                                 $this->parent->showStatusBox( $status );
 409                         }
 410                 }
 411
 412                 $this->startForm();
 413
 414                 $types = "<ul class=\"config-settings-block\">\n";
 415                 $settings = '';
 416                 $defaultType = $this->getVar( 'wgDBtype' );
 417
 418                 $dbSupport = '';
 419                 foreach( $this->parent->getDBTypes() as $type ) {
 420                         $link = DatabaseBase::newFromType( $type )->getSoftwareLink();
 421                         $dbSupport .= wfMsgNoTrans( "config-support-$type", $link ) . "\n";
 422                 }
 423                 $this->addHTML( $this->parent->getInfoBox(
 424                         wfMsg( 'config-support-info', $dbSupport ) ) );
 425
 426                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 427                         $installer = $this->parent->getDBInstaller( $type );
 428                         $types .=
 429                                 '<li>' .
 430                                 Xml::radioLabel(
 431                                         $installer->getReadableName(),
 432                                         'DBType',
 433                                         $type,
 434                                         "DBType_$type",
 435                                         $type == $defaultType,
 436                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 437                                 ) .
 438                                 "</li>\n";
 439
 440                         $settings .=
 441                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
 442                                 Html::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
 443                                 $installer->getConnectForm() .
 444                                 "</div>\n";
 445                 }
 446                 $types .= "</ul><br clear=\"left\"/>\n";
 447
 448                 $this->addHTML(
 449                         $this->parent->label( 'config-db-type', false, $types ) .
 450                         $settings
 451                 );
 452
 453                 $this->endForm();
 454         }
 455
 456         public function submit() {
 457                 $r = $this->parent->request;
 458                 $type = $r->getVal( 'DBType' );
 459                 $this->setVar( 'wgDBtype', $type );
 460                 $installer = $this->parent->getDBInstaller( $type );
 461                 if ( !$installer ) {
 462                         return Status::newFatal( 'config-invalid-db-type' );
 463                 }
 464                 return $installer->submitConnectForm();
 465         }
 466
 467 }
 468
 469 class WebInstaller_Upgrade extends WebInstallerPage {
 470
 471         public function execute() {
 472                 if ( $this->getVar( '_UpgradeDone' ) ) {
 473                         // Allow regeneration of LocalSettings.php, unless we are working
 474                         // from a pre-existing LocalSettings.php file and we want to avoid
 475                         // leaking its contents
 476                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 477                                 // Done message acknowledged
 478                                 return 'continue';
 479                         } else {
 480                                 // Back button click
 481                                 // Show the done message again
 482                                 // Make them click back again if they want to do the upgrade again
 483                                 $this->showDoneMessage();
 484                                 return 'output';
 485                         }
 486                 }
 487
 488                 // wgDBtype is generally valid here because otherwise the previous page
 489                 // (connect) wouldn't have declared its happiness
 490                 $type = $this->getVar( 'wgDBtype' );
 491                 $installer = $this->parent->getDBInstaller( $type );
 492
 493                 if ( !$installer->needsUpgrade() ) {
 494                         return 'skip';
 495                 }
 496
 497                 if ( $this->parent->request->wasPosted() ) {
 498                         $installer->preUpgrade();
 499
 500                         $this->startLiveBox();
 501                         $result = $installer->doUpgrade();
 502                         $this->endLiveBox();
 503
 504                         if ( $result ) {
 505                                 // If they're going to possibly regenerate LocalSettings, we
 506                                 // need to create the upgrade/secret keys. Bug 26481
 507                                 if( !$this->getVar( '_ExistingDBSettings' ) ) {
 508                                         $this->parent->generateKeys();
 509                                 }
 510                                 $this->setVar( '_UpgradeDone', true );
 511                                 $this->showDoneMessage();
 512                                 return 'output';
 513                         }
 514                 }
 515
 516                 $this->startForm();
 517                 $this->addHTML( $this->parent->getInfoBox(
 518                         wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
 519                 $this->endForm();
 520         }
 521
 522         public function showDoneMessage() {
 523                 $this->startForm();
 524                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 525                 if ( $regenerate ) {
 526                         $msg = 'config-upgrade-done';
 527                 } else {
 528                         $msg = 'config-upgrade-done-no-regenerate';
 529                 }
 530                 $this->parent->disableLinkPopups();
 531                 $this->addHTML(
 532                         $this->parent->getInfoBox(
 533                                 wfMsgNoTrans( $msg,
 534                                         $GLOBALS['wgServer'] .
 535                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 536                                                 $this->getVar( 'wgScriptExtension' )
 537                                 ), 'tick-32.png'
 538                         )
 539                 );
 540                 $this->parent->restoreLinkPopups();
 541                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 542         }
 543
 544 }
 545
 546 class WebInstaller_DBSettings extends WebInstallerPage {
 547
 548         public function execute() {
 549                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 550
 551                 $r = $this->parent->request;
 552                 if ( $r->wasPosted() ) {
 553                         $status = $installer->submitSettingsForm();
 554                         if ( $status === false ) {
 555                                 return 'skip';
 556                         } elseif ( $status->isGood() ) {
 557                                 return 'continue';
 558                         } else {
 559                                 $this->parent->showStatusBox( $status );
 560                         }
 561                 }
 562
 563                 $form = $installer->getSettingsForm();
 564                 if ( $form === false ) {
 565                         return 'skip';
 566                 }
 567
 568                 $this->startForm();
 569                 $this->addHTML( $form );
 570                 $this->endForm();
 571         }
 572
 573 }
 574
 575 class WebInstaller_Name extends WebInstallerPage {
 576
 577         public function execute() {
 578                 $r = $this->parent->request;
 579                 if ( $r->wasPosted() ) {
 580                         if ( $this->submit() ) {
 581                                 return 'continue';
 582                         }
 583                 }
 584
 585                 $this->startForm();
 586
 587                 // Encourage people to not name their site 'MediaWiki' by blanking the
 588                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 589                 // but these two always were the same so had the effect of making the
 590                 // installer forget $wgSitename when navigating back to this page.
 591                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 592                         $this->setVar( 'wgSitename', '' );
 593                 }
 594
 595                 // Set wgMetaNamespace to something valid before we show the form.
 596                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 597                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 598                 $this->setVar( 'wgMetaNamespace', wfMsgForContent( 'config-ns-other-default' ) );
 599
 600                 $this->addHTML(
 601                         $this->parent->getTextBox( array(
 602                                 'var' => 'wgSitename',
 603                                 'label' => 'config-site-name',
 604                           'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 605                         ) ) .
 606                         $this->parent->getRadioSet( array(
 607                                 'var' => '_NamespaceType',
 608                                 'label' => 'config-project-namespace',
 609                                 'itemLabelPrefix' => 'config-ns-',
 610                                 'values' => array( 'site-name', 'generic', 'other' ),
 611                                 'commonAttribs' => array( 'class' => 'enableForOther', 'rel' => 'config_wgMetaNamespace' ),
 612                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 613                         ) ) .
 614                         $this->parent->getTextBox( array(
 615                                 'var' => 'wgMetaNamespace',
 616                                 'label' => '', //TODO: Needs a label?
 617                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 618
 619                         ) ) .
 620                         $this->getFieldSetStart( 'config-admin-box' ) .
 621                         $this->parent->getTextBox( array(
 622                                 'var' => '_AdminName',
 623                                 'label' => 'config-admin-name',
 624                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 625                         ) ) .
 626                         $this->parent->getPasswordBox( array(
 627                                 'var' => '_AdminPassword',
 628                                 'label' => 'config-admin-password',
 629                         ) ) .
 630                         $this->parent->getPasswordBox( array(
 631                                 'var' => '_AdminPassword2',
 632                                 'label' => 'config-admin-password-confirm'
 633                         ) ) .
 634                         $this->parent->getTextBox( array(
 635                                 'var' => '_AdminEmail',
 636                                 'label' => 'config-admin-email',
 637                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 638                         ) ) .
 639                         $this->parent->getCheckBox( array(
 640                                 'var' => '_Subscribe',
 641                                 'label' => 'config-subscribe',
 642                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 643                         ) ) .
 644                         $this->getFieldSetEnd() .
 645                         $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
 646                         $this->parent->getRadioSet( array(
 647                                 'var' => '_SkipOptional',
 648                                 'itemLabelPrefix' => 'config-optional-',
 649                                 'values' => array( 'continue', 'skip' )
 650                         ) )
 651                 );
 652
 653                 // Restore the default value
 654                 $this->setVar( 'wgMetaNamespace', $metaNS );
 655
 656                 $this->endForm();
 657                 return 'output';
 658         }
 659
 660         public function submit() {
 661                 $retVal = true;
 662                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 663                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 664                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 665
 666                 // Validate site name
 667                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 668                         $this->parent->showError( 'config-site-name-blank' );
 669                         $retVal = false;
 670                 }
 671
 672                 // Fetch namespace
 673                 $nsType = $this->getVar( '_NamespaceType' );
 674                 if ( $nsType == 'site-name' ) {
 675                         $name = $this->getVar( 'wgSitename' );
 676                         // Sanitize for namespace
 677                         // This algorithm should match the JS one in WebInstallerOutput.php
 678                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 679                         $name = str_replace( '&', '&amp;', $name );
 680                         $name = preg_replace( '/__+/', '_', $name );
 681                         $name = ucfirst( trim( $name, '_' ) );
 682                 } elseif ( $nsType == 'generic' ) {
 683                         $name = wfMsg( 'config-ns-generic' );
 684                 } else { // other
 685                         $name = $this->getVar( 'wgMetaNamespace' );
 686                 }
 687
 688                 // Validate namespace
 689                 if ( strpos( $name, ':' ) !== false ) {
 690                         $good = false;
 691                 } else {
 692                         // Title-style validation
 693                         $title = Title::newFromText( $name );
 694                         if ( !$title ) {
 695                                 $good = $nsType == 'site-name';
 696                         } else {
 697                                 $name = $title->getDBkey();
 698                                 $good = true;
 699                         }
 700                 }
 701                 if ( !$good ) {
 702                         $this->parent->showError( 'config-ns-invalid', $name );
 703                         $retVal = false;
 704                 }
 705
 706                 // Make sure it won't conflict with any existing namespaces
 707                 global $wgContLang;
 708                 $nsIndex = $wgContLang->getNsIndex( $name );
 709                 if( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 710                         $this->parent->showError( 'config-ns-conflict', $name );
 711                         $retVal = false;
 712                 }
 713
 714                 $this->setVar( 'wgMetaNamespace', $name );
 715
 716                 // Validate username for creation
 717                 $name = $this->getVar( '_AdminName' );
 718                 if ( strval( $name ) === '' ) {
 719                         $this->parent->showError( 'config-admin-name-blank' );
 720                         $cname = $name;
 721                         $retVal = false;
 722                 } else {
 723                         $cname = User::getCanonicalName( $name, 'creatable' );
 724                         if ( $cname === false ) {
 725                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 726                                 $retVal = false;
 727                         } else {
 728                                 $this->setVar( '_AdminName', $cname );
 729                         }
 730                 }
 731
 732                 // Validate password
 733                 $msg = false;
 734                 $pwd = $this->getVar( '_AdminPassword' );
 735                 $user = User::newFromName( $cname );
 736                 $valid = $user && $user->getPasswordValidity( $pwd );
 737                 if ( strval( $pwd ) === '' ) {
 738                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 739                         # This message is more specific and helpful.
 740                         $msg = 'config-admin-password-blank';
 741                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 742                         $msg = 'config-admin-password-mismatch';
 743                 } elseif ( $valid !== true ) {
 744                         # As of writing this will only catch the username being e.g. 'FOO' and
 745                         # the password 'foo'
 746                         $msg = $valid;
 747                 }
 748                 if ( $msg !== false ) {
 749                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 750                         $this->setVar( '_AdminPassword', '' );
 751                         $this->setVar( '_AdminPassword2', '' );
 752                         $retVal = false;
 753                 }
 754
 755                 // Validate e-mail if provided
 756                 $email = $this->getVar( '_AdminEmail' );
 757                 if( $email && !User::isValidEmailAddr( $email ) ) {
 758                         $this->parent->showError( 'config-admin-error-bademail' );
 759                         $retVal = false;
 760                 }
 761
 762                 return $retVal;
 763         }
 764
 765 }
 766
 767 class WebInstaller_Options extends WebInstallerPage {
 768
 769         public function execute() {
 770                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 771                         return 'skip';
 772                 }
 773                 if ( $this->parent->request->wasPosted() ) {
 774                         if ( $this->submit() ) {
 775                                 return 'continue';
 776                         }
 777                 }
 778
 779                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 780                 $this->startForm();
 781                 $this->addHTML(
 782                         # User Rights
 783                         $this->parent->getRadioSet( array(
 784                                 'var' => '_RightsProfile',
 785                                 'label' => 'config-profile',
 786                                 'itemLabelPrefix' => 'config-profile-',
 787                                 'values' => array_keys( $this->parent->rightsProfiles ),
 788                         ) ) .
 789                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-profile-help' ) ) .
 790
 791                         # Licensing
 792                         $this->parent->getRadioSet( array(
 793                                 'var' => '_LicenseCode',
 794                                 'label' => 'config-license',
 795                                 'itemLabelPrefix' => 'config-license-',
 796                                 'values' => array_keys( $this->parent->licenses ),
 797                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 798                         ) ) .
 799                         $this->getCCChooser() .
 800                         $this->parent->getHelpBox( 'config-license-help' ) .
 801
 802                         # E-mail
 803                         $this->getFieldSetStart( 'config-email-settings' ) .
 804                         $this->parent->getCheckBox( array(
 805                                 'var' => 'wgEnableEmail',
 806                                 'label' => 'config-enable-email',
 807                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 808                         ) ) .
 809                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 810                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 811                         $this->parent->getTextBox( array(
 812                                 'var' => 'wgPasswordSender',
 813                                 'label' => 'config-email-sender'
 814                         ) ) .
 815                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 816                         $this->parent->getCheckBox( array(
 817                                 'var' => 'wgEnableUserEmail',
 818                                 'label' => 'config-email-user',
 819                         ) ) .
 820                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 821                         $this->parent->getCheckBox( array(
 822                                 'var' => 'wgEnotifUserTalk',
 823                                 'label' => 'config-email-usertalk',
 824                         ) ) .
 825                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 826                         $this->parent->getCheckBox( array(
 827                                 'var' => 'wgEnotifWatchlist',
 828                                 'label' => 'config-email-watchlist',
 829                         ) ) .
 830                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 831                         $this->parent->getCheckBox( array(
 832                                 'var' => 'wgEmailAuthentication',
 833                                 'label' => 'config-email-auth',
 834                         ) ) .
 835                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 836                         "</div>" .
 837                         $this->getFieldSetEnd()
 838                 );
 839
 840                 $extensions = $this->parent->findExtensions();
 841
 842                 if( $extensions ) {
 843                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 844
 845                         foreach( $extensions as $ext ) {
 846                                 $extHtml .= $this->parent->getCheckBox( array(
 847                                         'var' => "ext-$ext",
 848                                         'rawtext' => $ext,
 849                                 ) );
 850                         }
 851
 852                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 853                         $this->getFieldSetEnd();
 854                         $this->addHTML( $extHtml );
 855                 }
 856
 857                 // Having / in paths in Windows looks funny :)
 858                 $this->setVar( 'wgDeletedDirectory',
 859                         str_replace(
 860                                 '/', DIRECTORY_SEPARATOR,
 861                                 $this->getVar( 'wgDeletedDirectory' )
 862                         )
 863                 );
 864
 865                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 866                 $this->addHTML(
 867                         # Uploading
 868                         $this->getFieldSetStart( 'config-upload-settings' ) .
 869                         $this->parent->getCheckBox( array(
 870                                 'var' => 'wgEnableUploads',
 871                                 'label' => 'config-upload-enable',
 872                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 873                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 874                         ) ) .
 875                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 876                         $this->parent->getTextBox( array(
 877                                 'var' => 'wgDeletedDirectory',
 878                                 'label' => 'config-upload-deleted',
 879                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 880                         ) ) .
 881                         '</div>' .
 882                         $this->parent->getTextBox( array(
 883                                 'var' => 'wgLogo',
 884                                 'label' => 'config-logo',
 885                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 886                         ) )
 887                 );
 888                 $this->addHTML(
 889                         $this->parent->getCheckBox( array(
 890                                 'var' => 'wgUseInstantCommons',
 891                                 'label' => 'config-instantcommons',
 892                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 893                         ) ) .
 894                         $this->getFieldSetEnd()
 895                 );
 896
 897                 $caches = array( 'none' );
 898                 if( count( $this->getVar( '_Caches' ) ) ) {
 899                         $caches[] = 'accel';
 900                 }
 901                 $caches[] = 'memcached';
 902
 903                 $this->addHTML(
 904                         # Advanced settings
 905                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 906                         # Object cache settings
 907                         $this->parent->getRadioSet( array(
 908                                 'var' => 'wgMainCacheType',
 909                                 'label' => 'config-cache-options',
 910                                 'itemLabelPrefix' => 'config-cache-',
 911                                 'values' => $caches,
 912                                 'value' => 'none',
 913                         ) ) .
 914                         $this->parent->getHelpBox( 'config-cache-help' ) .
 915                         '<div id="config-memcachewrapper">' .
 916                         $this->parent->getTextArea( array(
 917                                 'var' => '_MemCachedServers',
 918                                 'label' => 'config-memcached-servers',
 919                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
 920                         ) ) .
 921                         '</div>' .
 922                         $this->getFieldSetEnd()
 923                 );
 924                 $this->endForm();
 925         }
 926
 927         public function getCCPartnerUrl() {
 928                 global $wgServer;
 929                 $exitUrl = $wgServer . $this->parent->getUrl( array(
 930                         'page' => 'Options',
 931                         'SubmitCC' => 'indeed',
 932                         'config__LicenseCode' => 'cc',
 933                         'config_wgRightsUrl' => '[license_url]',
 934                         'config_wgRightsText' => '[license_name]',
 935                         'config_wgRightsIcon' => '[license_button]',
 936                 ) );
 937                 $styleUrl = $wgServer . dirname( dirname( $this->parent->getUrl() ) ) .
 938                         '/skins/common/config-cc.css';
 939                 $iframeUrl = 'http://creativecommons.org/license/?' .
 940                         wfArrayToCGI( array(
 941                                 'partner' => 'MediaWiki',
 942                                 'exit_url' => $exitUrl,
 943                                 'lang' => $this->getVar( '_UserLang' ),
 944                                 'stylesheet' => $styleUrl,
 945                         ) );
 946                 return $iframeUrl;
 947         }
 948
 949         public function getCCChooser() {
 950                 $iframeAttribs = array(
 951                         'class' => 'config-cc-iframe',
 952                         'name' => 'config-cc-iframe',
 953                         'id' => 'config-cc-iframe',
 954                         'frameborder' => 0,
 955                         'width' => '100%',
 956                         'height' => '100%',
 957                 );
 958                 if ( $this->getVar( '_CCDone' ) ) {
 959                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
 960                 } else {
 961                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
 962                 }
 963                 $wrapperStyle = ($this->getVar('_LicenseCode') == 'cc-choose') ? '' : 'display: none';
 964
 965                 return
 966                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
 967                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
 968                         "</div>\n";
 969         }
 970
 971         public function getCCDoneBox() {
 972                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
 973                 // If you change this height, also change it in config.css
 974                 $expandJs = str_replace( '$1', '54em', $js );
 975                 $reduceJs = str_replace( '$1', '70px', $js );
 976                 return
 977                         '<p>'.
 978                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
 979                         '&#160;&#160;' .
 980                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
 981                         "</p>\n" .
 982                         "<p style=\"text-align: center\">" .
 983                         Html::element( 'a',
 984                                 array(
 985                                         'href' => $this->getCCPartnerUrl(),
 986                                         'onclick' => $expandJs,
 987                                 ),
 988                                 wfMsg( 'config-cc-again' )
 989                         ) .
 990                         "</p>\n" .
 991                         "<script type=\"text/javascript\">\n" .
 992                         # Reduce the wrapper div height
 993                         htmlspecialchars( $reduceJs ) .
 994                         "\n" .
 995                         "</script>\n";
 996         }
 997
 998         public function submitCC() {
 999                 $newValues = $this->parent->setVarsFromRequest(
1000                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1001                 if ( count( $newValues ) != 3 ) {
1002                         $this->parent->showError( 'config-cc-error' );
1003                         return;
1004                 }
1005                 $this->setVar( '_CCDone', true );
1006                 $this->addHTML( $this->getCCDoneBox() );
1007         }
1008
1009         public function submit() {
1010                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1011                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1012                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1013                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1014                         'wgUseInstantCommons' ) );
1015
1016                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1017                         array_keys( $this->parent->rightsProfiles ) ) )
1018                 {
1019                         reset( $this->parent->rightsProfiles );
1020                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1021                 }
1022
1023                 $code = $this->getVar( '_LicenseCode' );
1024                 if ( $code == 'cc-choose' ) {
1025                         if ( !$this->getVar( '_CCDone' ) ) {
1026                                 $this->parent->showError( 'config-cc-not-chosen' );
1027                                 return false;
1028                         }
1029                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1030                         $entry = $this->parent->licenses[$code];
1031                         if ( isset( $entry['text'] ) ) {
1032                                 $this->setVar( 'wgRightsText', $entry['text'] );
1033                         } else {
1034                                 $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
1035                         }
1036                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1037                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1038                 } else {
1039                         $this->setVar( 'wgRightsText', '' );
1040                         $this->setVar( 'wgRightsUrl', '' );
1041                         $this->setVar( 'wgRightsIcon', '' );
1042                 }
1043
1044                 $extsAvailable = $this->parent->findExtensions();
1045                 $extsToInstall = array();
1046                 foreach( $extsAvailable as $ext ) {
1047                         if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1048                                 $extsToInstall[] = $ext;
1049                         }
1050                 }
1051                 $this->parent->setVar( '_Extensions', $extsToInstall );
1052
1053                 if( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1054                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1055                         if( !$memcServers ) {
1056                                 $this->parent->showError( 'config-memcache-needservers' );
1057                                 return false;
1058                         }
1059
1060                         foreach( $memcServers as $server ) {
1061                                 $memcParts = explode( ":", $server );
1062                                 if( !IP::isValid( $memcParts[0] ) ) {
1063                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1064                                         return false;
1065                                 } elseif( !isset( $memcParts[1] )  ) {
1066                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1067                                         return false;
1068                                 } elseif( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1069                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1070                                         return false;
1071                                 }
1072                         }
1073                 }
1074                 return true;
1075         }
1076
1077 }
1078
1079 class WebInstaller_Install extends WebInstallerPage {
1080
1081         public function execute() {
1082                 if( $this->getVar( '_UpgradeDone' ) ) {
1083                         return 'skip';
1084                 } elseif( $this->getVar( '_InstallDone' ) ) {
1085                         return 'continue';
1086                 } elseif( $this->parent->request->wasPosted() ) {
1087                         $this->startForm();
1088                         $this->addHTML("<ul>");
1089                         $results = $this->parent->performInstallation(
1090                                 array( $this, 'startStage'),
1091                                 array( $this, 'endStage' )
1092                         );
1093                         $this->addHTML("</ul>");
1094                         // PerformInstallation bails on a fatal, so make sure the last item
1095                         // completed before giving 'next.' Likewise, only provide back on failure
1096                         $lastStep = end( $results );
1097                         $continue = $lastStep->isOK() ? 'continue' : false;
1098                         $back = $lastStep->isOK() ? false : 'back';
1099                         $this->endForm( $continue, $back );
1100                 } else {
1101                         $this->startForm();
1102                         $this->addHTML( $this->parent->getInfoBox( wfMsgNoTrans( 'config-install-begin' ) ) );
1103                         $this->endForm();
1104                 }
1105                 return true;
1106         }
1107
1108         public function startStage( $step ) {
1109                 $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
1110                 if ( $step == 'extension-tables' ) {
1111                         $this->startLiveBox();
1112                 }
1113         }
1114
1115         public function endStage( $step, $status ) {
1116                 if ( $step == 'extension-tables' ) {
1117                         $this->endLiveBox();
1118                 }
1119                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1120                 $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
1121                 if ( !$status->isOk() ) {
1122                         $html = "<span class=\"error\">$html</span>";
1123                 }
1124                 $this->addHTML( $html . "</li>\n" );
1125                 if( !$status->isGood() ) {
1126                         $this->parent->showStatusBox( $status );
1127                 }
1128         }
1129
1130 }
1131
1132 class WebInstaller_Complete extends WebInstallerPage {
1133
1134         public function execute() {
1135                 // Pop up a dialog box, to make it difficult for the user to forget
1136                 // to download the file
1137                 $lsUrl = $GLOBALS['wgServer'] . $this->parent->getURL( array( 'localsettings' => 1 ) );
1138                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1139                         // JS appears the only method that works consistently with IE7+
1140                         $this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] . '">jQuery( document ).ready( function() { document.location='
1141                                 . Xml::encodeJsVar( $lsUrl) . "; } );</script>\n" );
1142                 } else {
1143                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1144                 }
1145
1146                 $this->startForm();
1147                 $this->parent->disableLinkPopups();
1148                 $this->addHTML(
1149                         $this->parent->getInfoBox(
1150                                 wfMsgNoTrans( 'config-install-done',
1151                                         $lsUrl,
1152                                         $GLOBALS['wgServer'] .
1153                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1154                                                 $this->getVar( 'wgScriptExtension' ),
1155                                         '<downloadlink/>'
1156                                 ), 'tick-32.png'
1157                         )
1158                 );
1159                 $this->parent->restoreLinkPopups();
1160                 $this->endForm( false, false );
1161         }
1162 }
1163
1164 class WebInstaller_Restart extends WebInstallerPage {
1165
1166         public function execute() {
1167                 $r = $this->parent->request;
1168                 if ( $r->wasPosted() ) {
1169                         $really = $r->getVal( 'submit-restart' );
1170                         if ( $really ) {
1171                                 $this->parent->reset();
1172                         }
1173                         return 'continue';
1174                 }
1175
1176                 $this->startForm();
1177                 $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
1178                 $this->addHTML( $s );
1179                 $this->endForm( 'restart' );
1180         }
1181
1182 }
1183
1184 abstract class WebInstaller_Document extends WebInstallerPage {
1185
1186         protected abstract function getFileName();
1187
1188         public  function execute() {
1189                 $text = $this->getFileContents();
1190                 $text = $this->formatTextFile( $text );
1191                 $this->parent->output->addWikiText( $text );
1192                 $this->startForm();
1193                 $this->endForm( false );
1194         }
1195
1196         public  function getFileContents() {
1197                 return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
1198         }
1199
1200         protected function formatTextFile( $text ) {
1201                 // Use Unix line endings, escape some wikitext stuff
1202                 $text = str_replace( array( '<', '{{', '[[', "\r" ),
1203                         array( '&lt;', '&#123;&#123;', '&#91;&#91;', '' ), $text );
1204                 // join word-wrapped lines into one
1205                 do {
1206                         $prev = $text;
1207                         $text = preg_replace( "/\n([\\*#\t])([^\n]*?)\n([^\n#\\*:]+)/", "\n\\1\\2 \\3", $text );
1208                 } while ( $text != $prev );
1209                 // Replace tab indents with colons
1210                 $text = preg_replace( '/^\t\t/m', '::', $text );
1211                 $text = preg_replace( '/^\t/m', ':', $text );
1212                 // turn (bug nnnn) into links
1213                 $text = preg_replace_callback('/bug (\d+)/', array( $this, 'replaceBugLinks' ), $text );
1214                 // add links to manual to every global variable mentioned
1215                 $text = preg_replace_callback('/(\$wg[a-z0-9_]+)/i', array( $this, 'replaceConfigLinks' ), $text );
1216                 return $text;
1217         }
1218
1219         private function replaceBugLinks( $matches ) {
1220                 return '<span class="config-plainlink">[https://bugzilla.wikimedia.org/' .
1221                         $matches[1] . ' bug ' . $matches[1] . ']</span>';
1222         }
1223
1224         private function replaceConfigLinks( $matches ) {
1225                 return '<span class="config-plainlink">[http://www.mediawiki.org/wiki/Manual:' .
1226                         $matches[1] . ' ' . $matches[1] . ']</span>';
1227         }
1228
1229 }
1230
1231 class WebInstaller_Readme extends WebInstaller_Document {
1232         protected function getFileName() { return 'README'; }
1233 }
1234
1235 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1236         protected function getFileName() { return 'RELEASE-NOTES'; }
1237 }
1238
1239 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1240         protected function getFileName() { return 'UPGRADE'; }
1241 }
1242
1243 class WebInstaller_Copying extends WebInstaller_Document {
1244         protected function getFileName() { return 'COPYING'; }
1245 }
1246