includes/installer/WebInstallerPage.php

   1 <?php
   2 /**
   3  * Base code for web installer pages.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Deployment
  22  */
  23
  24 /**
  25  * Abstract class to define pages for the web installer.
  26  *
  27  * @ingroup Deployment
  28  * @since 1.17
  29  */
  30 abstract class WebInstallerPage {
  31
  32         /**
  33          * The WebInstaller object this WebInstallerPage belongs to.
  34          *
  35          * @var WebInstaller
  36          */
  37         public $parent;
  38
  39         abstract public function execute();
  40
  41         /**
  42          * Constructor.
  43          *
  44          * @param $parent WebInstaller
  45          */
  46         public function __construct( WebInstaller $parent ) {
  47                 $this->parent = $parent;
  48         }
  49
  50         /**
  51          * Is this a slow-running page in the installer? If so, WebInstaller will
  52          * set_time_limit(0) before calling execute(). Right now this only applies
  53          * to Install and Upgrade pages
  54          * @return bool
  55          */
  56         public function isSlow() {
  57                 return false;
  58         }
  59
  60         public function addHTML( $html ) {
  61                 $this->parent->output->addHTML( $html );
  62         }
  63
  64         public function startForm() {
  65                 $this->addHTML(
  66                         "<div class=\"config-section\">\n" .
  67                         Html::openElement(
  68                                 'form',
  69                                 array(
  70                                         'method' => 'post',
  71                                         'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
  72                                 )
  73                         ) . "\n"
  74                 );
  75         }
  76
  77         public function endForm( $continue = 'continue', $back = 'back' ) {
  78                 $s = "<div class=\"config-submit\">\n";
  79                 $id = $this->getId();
  80
  81                 if ( $id === false ) {
  82                         $s .= Html::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
  83                 }
  84
  85                 if ( $continue ) {
  86                         // Fake submit button for enter keypress (bug 26267)
  87                         // Give grep a chance to find the usages: config-continue
  88                         $s .= Xml::submitButton( wfMessage( "config-$continue" )->text(),
  89                                 array( 'name' => "enter-$continue", 'style' =>
  90                                         'visibility:hidden;overflow:hidden;width:1px;margin:0' ) ) . "\n";
  91                 }
  92
  93                 if ( $back ) {
  94                         // Give grep a chance to find the usages: config-back
  95                         $s .= Xml::submitButton( wfMessage( "config-$back" )->text(),
  96                                 array(
  97                                         'name' => "submit-$back",
  98                                         'tabindex' => $this->parent->nextTabIndex()
  99                                 ) ) . "\n";
 100                 }
 101
 102                 if ( $continue ) {
 103                         // Give grep a chance to find the usages: config-continue
 104                         $s .= Xml::submitButton( wfMessage( "config-$continue" )->text(),
 105                                 array(
 106                                         'name' => "submit-$continue",
 107                                         'tabindex' => $this->parent->nextTabIndex(),
 108                                 ) ) . "\n";
 109                 }
 110
 111                 $s .= "</div></form></div>\n";
 112                 $this->addHTML( $s );
 113         }
 114
 115         public function getName() {
 116                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
 117         }
 118
 119         protected function getId() {
 120                 return array_search( $this->getName(), $this->parent->pageSequence );
 121         }
 122
 123         public function getVar( $var ) {
 124                 return $this->parent->getVar( $var );
 125         }
 126
 127         public function setVar( $name, $value ) {
 128                 $this->parent->setVar( $name, $value );
 129         }
 130
 131         /**
 132          * Get the starting tags of a fieldset.
 133          *
 134          * @param string $legend message name
 135          *
 136          * @return string
 137          */
 138         protected function getFieldsetStart( $legend ) {
 139                 return "\n<fieldset><legend>" . wfMessage( $legend )->escaped() . "</legend>\n";
 140         }
 141
 142         /**
 143          * Get the end tag of a fieldset.
 144          *
 145          * @return string
 146          */
 147         protected function getFieldsetEnd() {
 148                 return "</fieldset>\n";
 149         }
 150
 151         /**
 152          * Opens a textarea used to display the progress of a long operation
 153          */
 154         protected function startLiveBox() {
 155                 $this->addHTML(
 156                         '<div id="config-spinner" style="display:none;">' .
 157                         '<img src="../skins/common/images/ajax-loader.gif" /></div>' .
 158                         '<script>jQuery( "#config-spinner" ).show();</script>' .
 159                         '<div id="config-live-log">' .
 160                         '<textarea name="LiveLog" rows="10" cols="30" readonly="readonly">'
 161                 );
 162                 $this->parent->output->flush();
 163         }
 164
 165         /**
 166          * Opposite to startLiveBox()
 167          */
 168         protected function endLiveBox() {
 169                 $this->addHTML( '</textarea></div>
 170 <script>jQuery( "#config-spinner" ).hide()</script>' );
 171                 $this->parent->output->flush();
 172         }
 173 }
 174
 175 class WebInstaller_Language extends WebInstallerPage {
 176
 177         public function execute() {
 178                 global $wgLang;
 179                 $r = $this->parent->request;
 180                 $userLang = $r->getVal( 'uselang' );
 181                 $contLang = $r->getVal( 'ContLang' );
 182
 183                 $languages = Language::fetchLanguageNames();
 184                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 185                 if ( !$lifetime ) {
 186                         $lifetime = 1440; // PHP default
 187                 }
 188
 189                 if ( $r->wasPosted() ) {
 190                         # Do session test
 191                         if ( $this->parent->getSession( 'test' ) === null ) {
 192                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 193                                 if ( !$requestTime ) {
 194                                         // The most likely explanation is that the user was knocked back
 195                                         // from another page on POST due to session expiry
 196                                         $msg = 'config-session-expired';
 197                                 } elseif ( time() - $requestTime > $lifetime ) {
 198                                         $msg = 'config-session-expired';
 199                                 } else {
 200                                         $msg = 'config-no-session';
 201                                 }
 202                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 203                         } else {
 204                                 if ( isset( $languages[$userLang] ) ) {
 205                                         $this->setVar( '_UserLang', $userLang );
 206                                 }
 207                                 if ( isset( $languages[$contLang] ) ) {
 208                                         $this->setVar( 'wgLanguageCode', $contLang );
 209                                 }
 210                                 return 'continue';
 211                         }
 212                 } elseif ( $this->parent->showSessionWarning ) {
 213                         # The user was knocked back from another page to the start
 214                         # This probably indicates a session expiry
 215                         $this->parent->showError( 'config-session-expired',
 216                                 $wgLang->formatTimePeriod( $lifetime ) );
 217                 }
 218
 219                 $this->parent->setSession( 'test', true );
 220
 221                 if ( !isset( $languages[$userLang] ) ) {
 222                         $userLang = $this->getVar( '_UserLang', 'en' );
 223                 }
 224                 if ( !isset( $languages[$contLang] ) ) {
 225                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 226                 }
 227                 $this->startForm();
 228                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 229                         $this->getLanguageSelector( 'uselang', 'config-your-language', $userLang,
 230                                 $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 231                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang,
 232                                 $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 233                 $this->addHTML( $s );
 234                 $this->endForm( 'continue', false );
 235         }
 236
 237         /**
 238          * Get a "<select>" for selecting languages.
 239          *
 240          * @param $name
 241          * @param $label
 242          * @param $selectedCode
 243          * @param $helpHtml string
 244          * @return string
 245          */
 246         public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
 247                 global $wgDummyLanguageCodes;
 248
 249                 $s = $helpHtml;
 250
 251                 $s .= Html::openElement( 'select', array( 'id' => $name, 'name' => $name,
 252                                 'tabindex' => $this->parent->nextTabIndex() ) ) . "\n";
 253
 254                 $languages = Language::fetchLanguageNames();
 255                 ksort( $languages );
 256                 foreach ( $languages as $code => $lang ) {
 257                         if ( isset( $wgDummyLanguageCodes[$code] ) ) continue;
 258                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 259                 }
 260                 $s .= "\n</select>\n";
 261                 return $this->parent->label( $label, $name, $s );
 262         }
 263
 264 }
 265
 266 class WebInstaller_ExistingWiki extends WebInstallerPage {
 267         public function execute() {
 268                 // If there is no LocalSettings.php, continue to the installer welcome page
 269                 $vars = Installer::getExistingLocalSettings();
 270                 if ( !$vars ) {
 271                         return 'skip';
 272                 }
 273
 274                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 275                 if ( $vars['wgUpgradeKey'] !== false
 276                         && $this->getVar( '_UpgradeKeySupplied' )
 277                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 278                 {
 279                         // It's there, so the user is authorized
 280                         $status = $this->handleExistingUpgrade( $vars );
 281                         if ( $status->isOK() ) {
 282                                 return 'skip';
 283                         } else {
 284                                 $this->startForm();
 285                                 $this->parent->showStatusBox( $status );
 286                                 $this->endForm( 'continue' );
 287                                 return 'output';
 288                         }
 289                 }
 290
 291                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 292                 if ( $vars['wgUpgradeKey'] === false ) {
 293                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 294                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 295                                 $this->parent->generateKeys();
 296                                 $this->setVar( 'wgSecretKey', $secretKey );
 297                                 $this->setVar( '_UpgradeKeySupplied', true );
 298                         }
 299                         $this->startForm();
 300                         $this->addHTML( $this->parent->getInfoBox(
 301                                 wfMessage( 'config-upgrade-key-missing', "<pre dir=\"ltr\">\$wgUpgradeKey = '" .
 302                                         $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )->plain()
 303                         ) );
 304                         $this->endForm( 'continue' );
 305                         return 'output';
 306                 }
 307
 308                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 309
 310                 $r = $this->parent->request;
 311                 if ( $r->wasPosted() ) {
 312                         $key = $r->getText( 'config_wgUpgradeKey' );
 313                         if( !$key || $key !== $vars['wgUpgradeKey'] ) {
 314                                 $this->parent->showError( 'config-localsettings-badkey' );
 315                                 $this->showKeyForm();
 316                                 return 'output';
 317                         }
 318                         // Key was OK
 319                         $status = $this->handleExistingUpgrade( $vars );
 320                         if ( $status->isOK() ) {
 321                                 return 'continue';
 322                         } else {
 323                                 $this->parent->showStatusBox( $status );
 324                                 $this->showKeyForm();
 325                                 return 'output';
 326                         }
 327                 } else {
 328                         $this->showKeyForm();
 329                         return 'output';
 330                 }
 331         }
 332
 333         /**
 334          * Show the "enter key" form
 335          */
 336         protected function showKeyForm() {
 337                 $this->startForm();
 338                 $this->addHTML(
 339                         $this->parent->getInfoBox( wfMessage( 'config-localsettings-upgrade' )->plain() ).
 340                         '<br />' .
 341                         $this->parent->getTextBox( array(
 342                                 'var' => 'wgUpgradeKey',
 343                                 'label' => 'config-localsettings-key',
 344                                 'attribs' => array( 'autocomplete' => 'off' ),
 345                         ) )
 346                 );
 347                 $this->endForm( 'continue' );
 348         }
 349
 350         protected function importVariables( $names, $vars ) {
 351                 $status = Status::newGood();
 352                 foreach ( $names as $name ) {
 353                         if ( !isset( $vars[$name] ) ) {
 354                                 $status->fatal( 'config-localsettings-incomplete', $name );
 355                         }
 356                         $this->setVar( $name, $vars[$name] );
 357                 }
 358                 return $status;
 359         }
 360
 361         /**
 362          * Initiate an upgrade of the existing database
 363          * @param array $vars Variables from LocalSettings.php and AdminSettings.php
 364          * @return Status
 365          */
 366         protected function handleExistingUpgrade( $vars ) {
 367                 // Check $wgDBtype
 368                 if ( !isset( $vars['wgDBtype'] ) ||
 369                          !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 370                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 371                 }
 372
 373                 // Set the relevant variables from LocalSettings.php
 374                 $requiredVars = array( 'wgDBtype' );
 375                 $status = $this->importVariables( $requiredVars, $vars );
 376                 $installer = $this->parent->getDBInstaller();
 377                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 378                 if ( !$status->isOK() ) {
 379                         return $status;
 380                 }
 381
 382                 if ( isset( $vars['wgDBadminuser'] ) ) {
 383                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 384                 } else {
 385                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 386                 }
 387                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 388                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 389                 } else {
 390                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 391                 }
 392
 393                 // Test the database connection
 394                 $status = $installer->getConnection();
 395                 if ( !$status->isOK() ) {
 396                         // Adjust the error message to explain things correctly
 397                         $status->replaceMessage( 'config-connection-error',
 398                                 'config-localsettings-connection-error' );
 399                         return $status;
 400                 }
 401
 402                 // All good
 403                 $this->setVar( '_ExistingDBSettings', true );
 404                 return $status;
 405         }
 406 }
 407
 408 class WebInstaller_Welcome extends WebInstallerPage {
 409
 410         public function execute() {
 411                 if ( $this->parent->request->wasPosted() ) {
 412                         if ( $this->getVar( '_Environment' ) ) {
 413                                 return 'continue';
 414                         }
 415                 }
 416                 $this->parent->output->addWikiText( wfMessage( 'config-welcome' )->plain() );
 417                 $status = $this->parent->doEnvironmentChecks();
 418                 if ( $status->isGood() ) {
 419                         $this->parent->output->addHTML( '<span class="success-message">' .
 420                                 wfMessage( 'config-env-good' )->escaped() . '</span>' );
 421                         $this->parent->output->addWikiText( wfMessage( 'config-copyright',
 422                                 SpecialVersion::getCopyrightAndAuthorList() )->plain() );
 423                         $this->startForm();
 424                         $this->endForm();
 425                 } else {
 426                         $this->parent->showStatusMessage( $status );
 427                 }
 428                 return '';
 429         }
 430
 431 }
 432
 433 class WebInstaller_DBConnect extends WebInstallerPage {
 434
 435         public function execute() {
 436                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 437                         return 'skip';
 438                 }
 439
 440                 $r = $this->parent->request;
 441                 if ( $r->wasPosted() ) {
 442                         $status = $this->submit();
 443
 444                         if ( $status->isGood() ) {
 445                                 $this->setVar( '_UpgradeDone', false );
 446                                 return 'continue';
 447                         } else {
 448                                 $this->parent->showStatusBox( $status );
 449                         }
 450                 }
 451
 452                 $this->startForm();
 453
 454                 $types = "<ul class=\"config-settings-block\">\n";
 455                 $settings = '';
 456                 $defaultType = $this->getVar( 'wgDBtype' );
 457
 458                 // Give grep a chance to find the usages:
 459                 // config-support-mysql, config-support-postgres, config-support-oracle, config-support-sqlite
 460                 $dbSupport = '';
 461                 foreach( $this->parent->getDBTypes() as $type ) {
 462                         $link = DatabaseBase::factory( $type )->getSoftwareLink();
 463                         $dbSupport .= wfMessage( "config-support-$type", $link )->plain() . "\n";
 464                 }
 465                 $this->addHTML( $this->parent->getInfoBox(
 466                         wfMessage( 'config-support-info', trim( $dbSupport ) )->text() ) );
 467
 468                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 469                         $installer = $this->parent->getDBInstaller( $type );
 470                         $types .=
 471                                 '<li>' .
 472                                 Xml::radioLabel(
 473                                         $installer->getReadableName(),
 474                                         'DBType',
 475                                         $type,
 476                                         "DBType_$type",
 477                                         $type == $defaultType,
 478                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 479                                 ) .
 480                                 "</li>\n";
 481
 482                         // Give grep a chance to find the usages:
 483                         // config-header-mysql, config-header-postgres, config-header-oracle, config-header-sqlite
 484                         $settings .=
 485                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type,
 486                                                 'class' => 'dbWrapper' ) ) .
 487                                 Html::element( 'h3', array(), wfMessage( 'config-header-' . $type )->text() ) .
 488                                 $installer->getConnectForm() .
 489                                 "</div>\n";
 490                 }
 491                 $types .= "</ul><br style=\"clear: left\"/>\n";
 492
 493                 $this->addHTML(
 494                         $this->parent->label( 'config-db-type', false, $types ) .
 495                         $settings
 496                 );
 497
 498                 $this->endForm();
 499         }
 500
 501         public function submit() {
 502                 $r = $this->parent->request;
 503                 $type = $r->getVal( 'DBType' );
 504                 $this->setVar( 'wgDBtype', $type );
 505                 $installer = $this->parent->getDBInstaller( $type );
 506                 if ( !$installer ) {
 507                         return Status::newFatal( 'config-invalid-db-type' );
 508                 }
 509                 return $installer->submitConnectForm();
 510         }
 511
 512 }
 513
 514 class WebInstaller_Upgrade extends WebInstallerPage {
 515         public function isSlow() {
 516                 return true;
 517         }
 518
 519         public function execute() {
 520                 if ( $this->getVar( '_UpgradeDone' ) ) {
 521                         // Allow regeneration of LocalSettings.php, unless we are working
 522                         // from a pre-existing LocalSettings.php file and we want to avoid
 523                         // leaking its contents
 524                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 525                                 // Done message acknowledged
 526                                 return 'continue';
 527                         } else {
 528                                 // Back button click
 529                                 // Show the done message again
 530                                 // Make them click back again if they want to do the upgrade again
 531                                 $this->showDoneMessage();
 532                                 return 'output';
 533                         }
 534                 }
 535
 536                 // wgDBtype is generally valid here because otherwise the previous page
 537                 // (connect) wouldn't have declared its happiness
 538                 $type = $this->getVar( 'wgDBtype' );
 539                 $installer = $this->parent->getDBInstaller( $type );
 540
 541                 if ( !$installer->needsUpgrade() ) {
 542                         return 'skip';
 543                 }
 544
 545                 if ( $this->parent->request->wasPosted() ) {
 546                         $installer->preUpgrade();
 547
 548                         $this->startLiveBox();
 549                         $result = $installer->doUpgrade();
 550                         $this->endLiveBox();
 551
 552                         if ( $result ) {
 553                                 // If they're going to possibly regenerate LocalSettings, we
 554                                 // need to create the upgrade/secret keys. Bug 26481
 555                                 if( !$this->getVar( '_ExistingDBSettings' ) ) {
 556                                         $this->parent->generateKeys();
 557                                 }
 558                                 $this->setVar( '_UpgradeDone', true );
 559                                 $this->showDoneMessage();
 560                                 return 'output';
 561                         }
 562                 }
 563
 564                 $this->startForm();
 565                 $this->addHTML( $this->parent->getInfoBox(
 566                         wfMessage( 'config-can-upgrade', $GLOBALS['wgVersion'] )->plain() ) );
 567                 $this->endForm();
 568         }
 569
 570         public function showDoneMessage() {
 571                 $this->startForm();
 572                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 573                 if ( $regenerate ) {
 574                         $msg = 'config-upgrade-done';
 575                 } else {
 576                         $msg = 'config-upgrade-done-no-regenerate';
 577                 }
 578                 $this->parent->disableLinkPopups();
 579                 $this->addHTML(
 580                         $this->parent->getInfoBox(
 581                                 wfMessage( $msg,
 582                                         $this->getVar( 'wgServer' ) .
 583                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 584                                                 $this->getVar( 'wgScriptExtension' )
 585                                 )->plain(), 'tick-32.png'
 586                         )
 587                 );
 588                 $this->parent->restoreLinkPopups();
 589                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 590         }
 591
 592 }
 593
 594 class WebInstaller_DBSettings extends WebInstallerPage {
 595
 596         public function execute() {
 597                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 598
 599                 $r = $this->parent->request;
 600                 if ( $r->wasPosted() ) {
 601                         $status = $installer->submitSettingsForm();
 602                         if ( $status === false ) {
 603                                 return 'skip';
 604                         } elseif ( $status->isGood() ) {
 605                                 return 'continue';
 606                         } else {
 607                                 $this->parent->showStatusBox( $status );
 608                         }
 609                 }
 610
 611                 $form = $installer->getSettingsForm();
 612                 if ( $form === false ) {
 613                         return 'skip';
 614                 }
 615
 616                 $this->startForm();
 617                 $this->addHTML( $form );
 618                 $this->endForm();
 619         }
 620
 621 }
 622
 623 class WebInstaller_Name extends WebInstallerPage {
 624
 625         public function execute() {
 626                 $r = $this->parent->request;
 627                 if ( $r->wasPosted() ) {
 628                         if ( $this->submit() ) {
 629                                 return 'continue';
 630                         }
 631                 }
 632
 633                 $this->startForm();
 634
 635                 // Encourage people to not name their site 'MediaWiki' by blanking the
 636                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 637                 // but these two always were the same so had the effect of making the
 638                 // installer forget $wgSitename when navigating back to this page.
 639                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 640                         $this->setVar( 'wgSitename', '' );
 641                 }
 642
 643                 // Set wgMetaNamespace to something valid before we show the form.
 644                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 645                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 646                 $this->setVar(
 647                         'wgMetaNamespace',
 648                         wfMessage( 'config-ns-other-default' )->inContentLanguage()->text()
 649                 );
 650
 651                 $this->addHTML(
 652                         $this->parent->getTextBox( array(
 653                                 'var' => 'wgSitename',
 654                                 'label' => 'config-site-name',
 655                                 'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 656                         ) ) .
 657                         // getRadioSet() builds a set of labeled radio buttons.
 658                         // For grep: The following messages are used as the item labels:
 659                         // config-ns-site-name, config-ns-generic, config-ns-other
 660                         $this->parent->getRadioSet( array(
 661                                 'var' => '_NamespaceType',
 662                                 'label' => 'config-project-namespace',
 663                                 'itemLabelPrefix' => 'config-ns-',
 664                                 'values' => array( 'site-name', 'generic', 'other' ),
 665                                 'commonAttribs' => array( 'class' => 'enableForOther',
 666                                         'rel' => 'config_wgMetaNamespace' ),
 667                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 668                         ) ) .
 669                         $this->parent->getTextBox( array(
 670                                 'var' => 'wgMetaNamespace',
 671                                 'label' => '', //TODO: Needs a label?
 672                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 673
 674                         ) ) .
 675                         $this->getFieldSetStart( 'config-admin-box' ) .
 676                         $this->parent->getTextBox( array(
 677                                 'var' => '_AdminName',
 678                                 'label' => 'config-admin-name',
 679                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 680                         ) ) .
 681                         $this->parent->getPasswordBox( array(
 682                                 'var' => '_AdminPassword',
 683                                 'label' => 'config-admin-password',
 684                         ) ) .
 685                         $this->parent->getPasswordBox( array(
 686                                 'var' => '_AdminPassword2',
 687                                 'label' => 'config-admin-password-confirm'
 688                         ) ) .
 689                         $this->parent->getTextBox( array(
 690                                 'var' => '_AdminEmail',
 691                                 'label' => 'config-admin-email',
 692                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 693                         ) ) .
 694                         $this->parent->getCheckBox( array(
 695                                 'var' => '_Subscribe',
 696                                 'label' => 'config-subscribe',
 697                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 698                         ) ) .
 699                         $this->getFieldSetEnd() .
 700                         $this->parent->getInfoBox( wfMessage( 'config-almost-done' )->text() ) .
 701                         // getRadioSet() builds a set of labeled radio buttons.
 702                         // For grep: The following messages are used as the item labels:
 703                         // config-optional-continue, config-optional-skip
 704                         $this->parent->getRadioSet( array(
 705                                 'var' => '_SkipOptional',
 706                                 'itemLabelPrefix' => 'config-optional-',
 707                                 'values' => array( 'continue', 'skip' )
 708                         ) )
 709                 );
 710
 711                 // Restore the default value
 712                 $this->setVar( 'wgMetaNamespace', $metaNS );
 713
 714                 $this->endForm();
 715                 return 'output';
 716         }
 717
 718         public function submit() {
 719                 $retVal = true;
 720                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 721                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 722                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 723
 724                 // Validate site name
 725                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 726                         $this->parent->showError( 'config-site-name-blank' );
 727                         $retVal = false;
 728                 }
 729
 730                 // Fetch namespace
 731                 $nsType = $this->getVar( '_NamespaceType' );
 732                 if ( $nsType == 'site-name' ) {
 733                         $name = $this->getVar( 'wgSitename' );
 734                         // Sanitize for namespace
 735                         // This algorithm should match the JS one in WebInstallerOutput.php
 736                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 737                         $name = str_replace( '&', '&amp;', $name );
 738                         $name = preg_replace( '/__+/', '_', $name );
 739                         $name = ucfirst( trim( $name, '_' ) );
 740                 } elseif ( $nsType == 'generic' ) {
 741                         $name = wfMessage( 'config-ns-generic' )->text();
 742                 } else { // other
 743                         $name = $this->getVar( 'wgMetaNamespace' );
 744                 }
 745
 746                 // Validate namespace
 747                 if ( strpos( $name, ':' ) !== false ) {
 748                         $good = false;
 749                 } else {
 750                         // Title-style validation
 751                         $title = Title::newFromText( $name );
 752                         if ( !$title ) {
 753                                 $good = $nsType == 'site-name';
 754                         } else {
 755                                 $name = $title->getDBkey();
 756                                 $good = true;
 757                         }
 758                 }
 759                 if ( !$good ) {
 760                         $this->parent->showError( 'config-ns-invalid', $name );
 761                         $retVal = false;
 762                 }
 763
 764                 // Make sure it won't conflict with any existing namespaces
 765                 global $wgContLang;
 766                 $nsIndex = $wgContLang->getNsIndex( $name );
 767                 if( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 768                         $this->parent->showError( 'config-ns-conflict', $name );
 769                         $retVal = false;
 770                 }
 771
 772                 $this->setVar( 'wgMetaNamespace', $name );
 773
 774                 // Validate username for creation
 775                 $name = $this->getVar( '_AdminName' );
 776                 if ( strval( $name ) === '' ) {
 777                         $this->parent->showError( 'config-admin-name-blank' );
 778                         $cname = $name;
 779                         $retVal = false;
 780                 } else {
 781                         $cname = User::getCanonicalName( $name, 'creatable' );
 782                         if ( $cname === false ) {
 783                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 784                                 $retVal = false;
 785                         } else {
 786                                 $this->setVar( '_AdminName', $cname );
 787                         }
 788                 }
 789
 790                 // Validate password
 791                 $msg = false;
 792                 $pwd = $this->getVar( '_AdminPassword' );
 793                 $user = User::newFromName( $cname );
 794                 $valid = $user && $user->getPasswordValidity( $pwd );
 795                 if ( strval( $pwd ) === '' ) {
 796                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 797                         # This message is more specific and helpful.
 798                         $msg = 'config-admin-password-blank';
 799                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 800                         $msg = 'config-admin-password-mismatch';
 801                 } elseif ( $valid !== true ) {
 802                         # As of writing this will only catch the username being e.g. 'FOO' and
 803                         # the password 'foo'
 804                         $msg = $valid;
 805                 }
 806                 if ( $msg !== false ) {
 807                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 808                         $this->setVar( '_AdminPassword', '' );
 809                         $this->setVar( '_AdminPassword2', '' );
 810                         $retVal = false;
 811                 }
 812
 813                 // Validate e-mail if provided
 814                 $email = $this->getVar( '_AdminEmail' );
 815                 if( $email && !Sanitizer::validateEmail( $email ) ) {
 816                         $this->parent->showError( 'config-admin-error-bademail' );
 817                         $retVal = false;
 818                 }
 819                 // If they asked to subscribe to mediawiki-announce but didn't give
 820                 // an e-mail, show an error. Bug 29332
 821                 if( !$email && $this->getVar( '_Subscribe' ) ) {
 822                         $this->parent->showError( 'config-subscribe-noemail' );
 823                         $retVal = false;
 824                 }
 825
 826                 return $retVal;
 827         }
 828
 829 }
 830
 831 class WebInstaller_Options extends WebInstallerPage {
 832
 833         public function execute() {
 834                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 835                         return 'skip';
 836                 }
 837                 if ( $this->parent->request->wasPosted() ) {
 838                         if ( $this->submit() ) {
 839                                 return 'continue';
 840                         }
 841                 }
 842
 843                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 844                 $this->startForm();
 845                 $this->addHTML(
 846                         # User Rights
 847                         // getRadioSet() builds a set of labeled radio buttons.
 848                         // For grep: The following messages are used as the item labels:
 849                         // config-profile-wiki, config-profile-no-anon, config-profile-fishbowl, config-profile-private
 850                         $this->parent->getRadioSet( array(
 851                                 'var' => '_RightsProfile',
 852                                 'label' => 'config-profile',
 853                                 'itemLabelPrefix' => 'config-profile-',
 854                                 'values' => array_keys( $this->parent->rightsProfiles ),
 855                         ) ) .
 856                         $this->parent->getInfoBox( wfMessage( 'config-profile-help' )->plain() ) .
 857
 858                         # Licensing
 859                         // getRadioSet() builds a set of labeled radio buttons.
 860                         // For grep: The following messages are used as the item labels:
 861                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
 862                         // config-license-cc-0, config-license-pd, config-license-gfdl,
 863                         // config-license-none, config-license-cc-choose
 864                         $this->parent->getRadioSet( array(
 865                                 'var' => '_LicenseCode',
 866                                 'label' => 'config-license',
 867                                 'itemLabelPrefix' => 'config-license-',
 868                                 'values' => array_keys( $this->parent->licenses ),
 869                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 870                         ) ) .
 871                         $this->getCCChooser() .
 872                         $this->parent->getHelpBox( 'config-license-help' ) .
 873
 874                         # E-mail
 875                         $this->getFieldSetStart( 'config-email-settings' ) .
 876                         $this->parent->getCheckBox( array(
 877                                 'var' => 'wgEnableEmail',
 878                                 'label' => 'config-enable-email',
 879                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 880                         ) ) .
 881                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 882                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 883                         $this->parent->getTextBox( array(
 884                                 'var' => 'wgPasswordSender',
 885                                 'label' => 'config-email-sender'
 886                         ) ) .
 887                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 888                         $this->parent->getCheckBox( array(
 889                                 'var' => 'wgEnableUserEmail',
 890                                 'label' => 'config-email-user',
 891                         ) ) .
 892                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 893                         $this->parent->getCheckBox( array(
 894                                 'var' => 'wgEnotifUserTalk',
 895                                 'label' => 'config-email-usertalk',
 896                         ) ) .
 897                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 898                         $this->parent->getCheckBox( array(
 899                                 'var' => 'wgEnotifWatchlist',
 900                                 'label' => 'config-email-watchlist',
 901                         ) ) .
 902                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 903                         $this->parent->getCheckBox( array(
 904                                 'var' => 'wgEmailAuthentication',
 905                                 'label' => 'config-email-auth',
 906                         ) ) .
 907                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 908                         "</div>" .
 909                         $this->getFieldSetEnd()
 910                 );
 911
 912                 $extensions = $this->parent->findExtensions();
 913
 914                 if( $extensions ) {
 915                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 916
 917                         foreach( $extensions as $ext ) {
 918                                 $extHtml .= $this->parent->getCheckBox( array(
 919                                         'var' => "ext-$ext",
 920                                         'rawtext' => $ext,
 921                                 ) );
 922                         }
 923
 924                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 925                         $this->getFieldSetEnd();
 926                         $this->addHTML( $extHtml );
 927                 }
 928
 929                 // Having / in paths in Windows looks funny :)
 930                 $this->setVar( 'wgDeletedDirectory',
 931                         str_replace(
 932                                 '/', DIRECTORY_SEPARATOR,
 933                                 $this->getVar( 'wgDeletedDirectory' )
 934                         )
 935                 );
 936                 // If we're using the default, let the user set it relative to $wgScriptPath
 937                 $curLogo = $this->getVar( 'wgLogo' );
 938                 $logoString = ( $curLogo == "/wiki/skins/common/images/wiki.png" ) ?
 939                         '$wgStylePath/common/images/wiki.png' : $curLogo;
 940
 941                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 942                 $this->addHTML(
 943                         # Uploading
 944                         $this->getFieldSetStart( 'config-upload-settings' ) .
 945                         $this->parent->getCheckBox( array(
 946                                 'var' => 'wgEnableUploads',
 947                                 'label' => 'config-upload-enable',
 948                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 949                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 950                         ) ) .
 951                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 952                         $this->parent->getTextBox( array(
 953                                 'var' => 'wgDeletedDirectory',
 954                                 'label' => 'config-upload-deleted',
 955                                 'attribs' => array( 'dir' => 'ltr' ),
 956                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 957                         ) ) .
 958                         '</div>' .
 959                         $this->parent->getTextBox( array(
 960                                 'var' => 'wgLogo',
 961                                 'value' => $logoString,
 962                                 'label' => 'config-logo',
 963                                 'attribs' => array( 'dir' => 'ltr' ),
 964                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 965                         ) )
 966                 );
 967                 $this->addHTML(
 968                         $this->parent->getCheckBox( array(
 969                                 'var' => 'wgUseInstantCommons',
 970                                 'label' => 'config-instantcommons',
 971                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 972                         ) ) .
 973                         $this->getFieldSetEnd()
 974                 );
 975
 976                 $caches = array( 'none' );
 977                 if( count( $this->getVar( '_Caches' ) ) ) {
 978                         $caches[] = 'accel';
 979                 }
 980                 $caches[] = 'memcached';
 981
 982                 // We'll hide/show this on demand when the value changes, see config.js.
 983                 $cacheval = $this->getVar( 'wgMainCacheType' );
 984                 if ( !$cacheval ) {
 985                         // We need to set a default here; but don't hardcode it
 986                         // or we lose it every time we reload the page for validation
 987                         // or going back!
 988                         $cacheval = 'none';
 989                 }
 990                 $hidden = ($cacheval == 'memcached') ? '' : 'display: none';
 991                 $this->addHTML(
 992                         # Advanced settings
 993                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 994                         # Object cache settings
 995                         // getRadioSet() builds a set of labeled radio buttons.
 996                         // For grep: The following messages are used as the item labels:
 997                         // config-cache-none, config-cache-accel, config-cache-memcached
 998                         $this->parent->getRadioSet( array(
 999                                 'var' => 'wgMainCacheType',
1000                                 'label' => 'config-cache-options',
1001                                 'itemLabelPrefix' => 'config-cache-',
1002                                 'values' => $caches,
1003                                 'value' => $cacheval,
1004                         ) ) .
1005                         $this->parent->getHelpBox( 'config-cache-help' ) .
1006                         "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
1007                         $this->parent->getTextArea( array(
1008                                 'var' => '_MemCachedServers',
1009                                 'label' => 'config-memcached-servers',
1010                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
1011                         ) ) .
1012                         '</div>' .
1013                         $this->getFieldSetEnd()
1014                 );
1015                 $this->endForm();
1016         }
1017
1018         /**
1019          * @return string
1020          */
1021         public function getCCPartnerUrl() {
1022                 $server = $this->getVar( 'wgServer' );
1023                 $exitUrl = $server . $this->parent->getUrl( array(
1024                         'page' => 'Options',
1025                         'SubmitCC' => 'indeed',
1026                         'config__LicenseCode' => 'cc',
1027                         'config_wgRightsUrl' => '[license_url]',
1028                         'config_wgRightsText' => '[license_name]',
1029                         'config_wgRightsIcon' => '[license_button]',
1030                 ) );
1031                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
1032                         '/skins/common/config-cc.css';
1033                 $iframeUrl = 'http://creativecommons.org/license/?' .
1034                         wfArrayToCgi( array(
1035                                 'partner' => 'MediaWiki',
1036                                 'exit_url' => $exitUrl,
1037                                 'lang' => $this->getVar( '_UserLang' ),
1038                                 'stylesheet' => $styleUrl,
1039                         ) );
1040                 return $iframeUrl;
1041         }
1042
1043         public function getCCChooser() {
1044                 $iframeAttribs = array(
1045                         'class' => 'config-cc-iframe',
1046                         'name' => 'config-cc-iframe',
1047                         'id' => 'config-cc-iframe',
1048                         'frameborder' => 0,
1049                         'width' => '100%',
1050                         'height' => '100%',
1051                 );
1052                 if ( $this->getVar( '_CCDone' ) ) {
1053                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
1054                 } else {
1055                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
1056                 }
1057                 $wrapperStyle = ($this->getVar( '_LicenseCode' ) == 'cc-choose') ? '' : 'display: none';
1058
1059                 return "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
1060                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1061                         "</div>\n";
1062         }
1063
1064         public function getCCDoneBox() {
1065                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1066                 // If you change this height, also change it in config.css
1067                 $expandJs = str_replace( '$1', '54em', $js );
1068                 $reduceJs = str_replace( '$1', '70px', $js );
1069                 return '<p>'.
1070                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1071                         '&#160;&#160;' .
1072                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1073                         "</p>\n" .
1074                         "<p style=\"text-align: center\">" .
1075                         Html::element( 'a',
1076                                 array(
1077                                         'href' => $this->getCCPartnerUrl(),
1078                                         'onclick' => $expandJs,
1079                                 ),
1080                                 wfMessage( 'config-cc-again' )->text()
1081                         ) .
1082                         "</p>\n" .
1083                         "<script type=\"text/javascript\">\n" .
1084                         # Reduce the wrapper div height
1085                         htmlspecialchars( $reduceJs ) .
1086                         "\n" .
1087                         "</script>\n";
1088         }
1089
1090         public function submitCC() {
1091                 $newValues = $this->parent->setVarsFromRequest(
1092                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1093                 if ( count( $newValues ) != 3 ) {
1094                         $this->parent->showError( 'config-cc-error' );
1095                         return;
1096                 }
1097                 $this->setVar( '_CCDone', true );
1098                 $this->addHTML( $this->getCCDoneBox() );
1099         }
1100
1101         public function submit() {
1102                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1103                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1104                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1105                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1106                         'wgUseInstantCommons' ) );
1107
1108                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1109                         array_keys( $this->parent->rightsProfiles ) ) )
1110                 {
1111                         reset( $this->parent->rightsProfiles );
1112                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1113                 }
1114
1115                 $code = $this->getVar( '_LicenseCode' );
1116                 if ( $code == 'cc-choose' ) {
1117                         if ( !$this->getVar( '_CCDone' ) ) {
1118                                 $this->parent->showError( 'config-cc-not-chosen' );
1119                                 return false;
1120                         }
1121                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1122                         // Give grep a chance to find the usages:
1123                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
1124                         // config-license-cc-0, config-license-pd, config-license-gfdl,
1125                         // config-license-none, config-license-cc-choose
1126                         $entry = $this->parent->licenses[$code];
1127                         if ( isset( $entry['text'] ) ) {
1128                                 $this->setVar( 'wgRightsText', $entry['text'] );
1129                         } else {
1130                                 $this->setVar( 'wgRightsText', wfMessage( 'config-license-' . $code )->text() );
1131                         }
1132                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1133                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1134                 } else {
1135                         $this->setVar( 'wgRightsText', '' );
1136                         $this->setVar( 'wgRightsUrl', '' );
1137                         $this->setVar( 'wgRightsIcon', '' );
1138                 }
1139
1140                 $extsAvailable = $this->parent->findExtensions();
1141                 $extsToInstall = array();
1142                 foreach( $extsAvailable as $ext ) {
1143                         if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1144                                 $extsToInstall[] = $ext;
1145                         }
1146                 }
1147                 $this->parent->setVar( '_Extensions', $extsToInstall );
1148
1149                 if( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1150                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1151                         if( !$memcServers ) {
1152                                 $this->parent->showError( 'config-memcache-needservers' );
1153                                 return false;
1154                         }
1155
1156                         foreach( $memcServers as $server ) {
1157                                 $memcParts = explode( ":", $server, 2 );
1158                                 if ( !isset( $memcParts[0] )
1159                                                 || ( !IP::isValid( $memcParts[0] )
1160                                                         && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) ) ) {
1161                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1162                                         return false;
1163                                 } elseif( !isset( $memcParts[1] )  ) {
1164                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1165                                         return false;
1166                                 } elseif( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1167                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1168                                         return false;
1169                                 }
1170                         }
1171                 }
1172                 return true;
1173         }
1174
1175 }
1176
1177 class WebInstaller_Install extends WebInstallerPage {
1178         public function isSlow() {
1179                 return true;
1180         }
1181
1182         public function execute() {
1183                 if( $this->getVar( '_UpgradeDone' ) ) {
1184                         return 'skip';
1185                 } elseif( $this->getVar( '_InstallDone' ) ) {
1186                         return 'continue';
1187                 } elseif( $this->parent->request->wasPosted() ) {
1188                         $this->startForm();
1189                         $this->addHTML( "<ul>" );
1190                         $results = $this->parent->performInstallation(
1191                                 array( $this, 'startStage' ),
1192                                 array( $this, 'endStage' )
1193                         );
1194                         $this->addHTML( "</ul>" );
1195                         // PerformInstallation bails on a fatal, so make sure the last item
1196                         // completed before giving 'next.' Likewise, only provide back on failure
1197                         $lastStep = end( $results );
1198                         $continue = $lastStep->isOK() ? 'continue' : false;
1199                         $back = $lastStep->isOK() ? false : 'back';
1200                         $this->endForm( $continue, $back );
1201                 } else {
1202                         $this->startForm();
1203                         $this->addHTML( $this->parent->getInfoBox( wfMessage( 'config-install-begin' )->plain() ) );
1204                         $this->endForm();
1205                 }
1206                 return true;
1207         }
1208
1209         public function startStage( $step ) {
1210                 $this->addHTML( "<li>" . wfMessage( "config-install-$step" )->escaped() . wfMessage( 'ellipsis' )->escaped() );
1211                 if ( $step == 'extension-tables' ) {
1212                         $this->startLiveBox();
1213                 }
1214         }
1215
1216         /**
1217          * @param $step
1218          * @param $status Status
1219          */
1220         public function endStage( $step, $status ) {
1221                 if ( $step == 'extension-tables' ) {
1222                         $this->endLiveBox();
1223                 }
1224                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1225                 $html = wfMessage( 'word-separator' )->escaped() . wfMessage( $msg )->escaped();
1226                 if ( !$status->isOk() ) {
1227                         $html = "<span class=\"error\">$html</span>";
1228                 }
1229                 $this->addHTML( $html . "</li>\n" );
1230                 if( !$status->isGood() ) {
1231                         $this->parent->showStatusBox( $status );
1232                 }
1233         }
1234
1235 }
1236
1237 class WebInstaller_Complete extends WebInstallerPage {
1238
1239         public function execute() {
1240                 // Pop up a dialog box, to make it difficult for the user to forget
1241                 // to download the file
1242                 $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
1243                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
1244                          strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1245                         // JS appears the only method that works consistently with IE7+
1246                         $this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] .
1247                                 '">jQuery( document ).ready( function() { document.location=' .
1248                                 Xml::encodeJsVar( $lsUrl ) . "; } );</script>\n" );
1249                 } else {
1250                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1251                 }
1252
1253                 $this->startForm();
1254                 $this->parent->disableLinkPopups();
1255                 $this->addHTML(
1256                         $this->parent->getInfoBox(
1257                                 wfMessage( 'config-install-done',
1258                                         $lsUrl,
1259                                         $this->getVar( 'wgServer' ) .
1260                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1261                                                 $this->getVar( 'wgScriptExtension' ),
1262                                         '<downloadlink/>'
1263                                 )->plain(), 'tick-32.png'
1264                         )
1265                 );
1266                 $this->parent->restoreLinkPopups();
1267                 $this->endForm( false, false );
1268         }
1269 }
1270
1271 class WebInstaller_Restart extends WebInstallerPage {
1272
1273         public function execute() {
1274                 $r = $this->parent->request;
1275                 if ( $r->wasPosted() ) {
1276                         $really = $r->getVal( 'submit-restart' );
1277                         if ( $really ) {
1278                                 $this->parent->reset();
1279                         }
1280                         return 'continue';
1281                 }
1282
1283                 $this->startForm();
1284                 $s = $this->parent->getWarningBox( wfMessage( 'config-help-restart' )->plain() );
1285                 $this->addHTML( $s );
1286                 $this->endForm( 'restart' );
1287         }
1288
1289 }
1290
1291 abstract class WebInstaller_Document extends WebInstallerPage {
1292
1293         abstract protected function getFileName();
1294
1295         public function execute() {
1296                 $text = $this->getFileContents();
1297                 $text = InstallDocFormatter::format( $text );
1298                 $this->parent->output->addWikiText( $text );
1299                 $this->startForm();
1300                 $this->endForm( false );
1301         }
1302
1303         public function getFileContents() {
1304                 $file = __DIR__ . '/../../' . $this->getFileName();
1305                 if( ! file_exists( $file ) ) {
1306                         return wfMessage( 'config-nofile', $file )->plain();
1307                 }
1308                 return file_get_contents( $file );
1309         }
1310
1311 }
1312
1313 class WebInstaller_Readme extends WebInstaller_Document {
1314         protected function getFileName() { return 'README'; }
1315 }
1316
1317 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1318         protected function getFileName() {
1319                 global $wgVersion;
1320
1321                 if( !preg_match( '/^(\d+)\.(\d+).*/i', $wgVersion, $result ) ) {
1322                         throw new MWException( 'Variable $wgVersion has an invalid value.' );
1323                 }
1324
1325                 return 'RELEASE-NOTES-' . $result[1] . '.' . $result[2];
1326         }
1327 }
1328
1329 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1330         protected function getFileName() { return 'UPGRADE'; }
1331 }
1332
1333 class WebInstaller_Copying extends WebInstaller_Document {
1334         protected function getFileName() { return 'COPYING'; }
1335 }