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         /**
  78          * @param string|bool $continue
  79          * @param string|bool $back
  80          */
  81         public function endForm( $continue = 'continue', $back = 'back' ) {
  82                 $s = "<div class=\"config-submit\">\n";
  83                 $id = $this->getId();
  84
  85                 if ( $id === false ) {
  86                         $s .= Html::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
  87                 }
  88
  89                 if ( $continue ) {
  90                         // Fake submit button for enter keypress (bug 26267)
  91                         // Messages: config-continue, config-restart, config-regenerate
  92                         $s .= Xml::submitButton( wfMessage( "config-$continue" )->text(),
  93                                 array( 'name' => "enter-$continue", 'style' =>
  94                                         'visibility:hidden;overflow:hidden;width:1px;margin:0' ) ) . "\n";
  95                 }
  96
  97                 if ( $back ) {
  98                         // Message: config-back
  99                         $s .= Xml::submitButton( wfMessage( "config-$back" )->text(),
 100                                 array(
 101                                         'name' => "submit-$back",
 102                                         'tabindex' => $this->parent->nextTabIndex()
 103                                 ) ) . "\n";
 104                 }
 105
 106                 if ( $continue ) {
 107                         // Messages: config-continue, config-restart, config-regenerate
 108                         $s .= Xml::submitButton( wfMessage( "config-$continue" )->text(),
 109                                 array(
 110                                         'name' => "submit-$continue",
 111                                         'tabindex' => $this->parent->nextTabIndex(),
 112                                 ) ) . "\n";
 113                 }
 114
 115                 $s .= "</div></form></div>\n";
 116                 $this->addHTML( $s );
 117         }
 118
 119         public function getName() {
 120                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
 121         }
 122
 123         protected function getId() {
 124                 return array_search( $this->getName(), $this->parent->pageSequence );
 125         }
 126
 127         public function getVar( $var ) {
 128                 return $this->parent->getVar( $var );
 129         }
 130
 131         public function setVar( $name, $value ) {
 132                 $this->parent->setVar( $name, $value );
 133         }
 134
 135         /**
 136          * Get the starting tags of a fieldset.
 137          *
 138          * @param string $legend message name
 139          *
 140          * @return string
 141          */
 142         protected function getFieldsetStart( $legend ) {
 143                 return "\n<fieldset><legend>" . wfMessage( $legend )->escaped() . "</legend>\n";
 144         }
 145
 146         /**
 147          * Get the end tag of a fieldset.
 148          *
 149          * @return string
 150          */
 151         protected function getFieldsetEnd() {
 152                 return "</fieldset>\n";
 153         }
 154
 155         /**
 156          * Opens a textarea used to display the progress of a long operation
 157          */
 158         protected function startLiveBox() {
 159                 $this->addHTML(
 160                         '<div id="config-spinner" style="display:none;">' .
 161                         '<img src="../skins/common/images/ajax-loader.gif" /></div>' .
 162                         '<script>jQuery( "#config-spinner" ).show();</script>' .
 163                         '<div id="config-live-log">' .
 164                         '<textarea name="LiveLog" rows="10" cols="30" readonly="readonly">'
 165                 );
 166                 $this->parent->output->flush();
 167         }
 168
 169         /**
 170          * Opposite to startLiveBox()
 171          */
 172         protected function endLiveBox() {
 173                 $this->addHTML( '</textarea></div>
 174 <script>jQuery( "#config-spinner" ).hide()</script>' );
 175                 $this->parent->output->flush();
 176         }
 177 }
 178
 179 class WebInstaller_Language extends WebInstallerPage {
 180
 181         public function execute() {
 182                 global $wgLang;
 183                 $r = $this->parent->request;
 184                 $userLang = $r->getVal( 'uselang' );
 185                 $contLang = $r->getVal( 'ContLang' );
 186
 187                 $languages = Language::fetchLanguageNames();
 188                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 189                 if ( !$lifetime ) {
 190                         $lifetime = 1440; // PHP default
 191                 }
 192
 193                 if ( $r->wasPosted() ) {
 194                         # Do session test
 195                         if ( $this->parent->getSession( 'test' ) === null ) {
 196                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 197                                 if ( !$requestTime ) {
 198                                         // The most likely explanation is that the user was knocked back
 199                                         // from another page on POST due to session expiry
 200                                         $msg = 'config-session-expired';
 201                                 } elseif ( time() - $requestTime > $lifetime ) {
 202                                         $msg = 'config-session-expired';
 203                                 } else {
 204                                         $msg = 'config-no-session';
 205                                 }
 206                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 207                         } else {
 208                                 if ( isset( $languages[$userLang] ) ) {
 209                                         $this->setVar( '_UserLang', $userLang );
 210                                 }
 211                                 if ( isset( $languages[$contLang] ) ) {
 212                                         $this->setVar( 'wgLanguageCode', $contLang );
 213                                 }
 214                                 return 'continue';
 215                         }
 216                 } elseif ( $this->parent->showSessionWarning ) {
 217                         # The user was knocked back from another page to the start
 218                         # This probably indicates a session expiry
 219                         $this->parent->showError( 'config-session-expired',
 220                                 $wgLang->formatTimePeriod( $lifetime ) );
 221                 }
 222
 223                 $this->parent->setSession( 'test', true );
 224
 225                 if ( !isset( $languages[$userLang] ) ) {
 226                         $userLang = $this->getVar( '_UserLang', 'en' );
 227                 }
 228                 if ( !isset( $languages[$contLang] ) ) {
 229                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 230                 }
 231                 $this->startForm();
 232                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 233                         $this->getLanguageSelector( 'uselang', 'config-your-language', $userLang,
 234                                 $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 235                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang,
 236                                 $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 237                 $this->addHTML( $s );
 238                 $this->endForm( 'continue', false );
 239         }
 240
 241         /**
 242          * Get a "<select>" for selecting languages.
 243          *
 244          * @param $name
 245          * @param $label
 246          * @param $selectedCode
 247          * @param $helpHtml string
 248          * @return string
 249          */
 250         public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
 251                 global $wgDummyLanguageCodes;
 252
 253                 $s = $helpHtml;
 254
 255                 $s .= Html::openElement( 'select', array( 'id' => $name, 'name' => $name,
 256                                 'tabindex' => $this->parent->nextTabIndex() ) ) . "\n";
 257
 258                 $languages = Language::fetchLanguageNames();
 259                 ksort( $languages );
 260                 foreach ( $languages as $code => $lang ) {
 261                         if ( isset( $wgDummyLanguageCodes[$code] ) ) {
 262                                 continue;
 263                         }
 264                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 265                 }
 266                 $s .= "\n</select>\n";
 267                 return $this->parent->label( $label, $name, $s );
 268         }
 269
 270 }
 271
 272 class WebInstaller_ExistingWiki extends WebInstallerPage {
 273         public function execute() {
 274                 // If there is no LocalSettings.php, continue to the installer welcome page
 275                 $vars = Installer::getExistingLocalSettings();
 276                 if ( !$vars ) {
 277                         return 'skip';
 278                 }
 279
 280                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 281                 if ( $vars['wgUpgradeKey'] !== false
 282                         && $this->getVar( '_UpgradeKeySupplied' )
 283                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 284                 {
 285                         // It's there, so the user is authorized
 286                         $status = $this->handleExistingUpgrade( $vars );
 287                         if ( $status->isOK() ) {
 288                                 return 'skip';
 289                         } else {
 290                                 $this->startForm();
 291                                 $this->parent->showStatusBox( $status );
 292                                 $this->endForm( 'continue' );
 293                                 return 'output';
 294                         }
 295                 }
 296
 297                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 298                 if ( $vars['wgUpgradeKey'] === false ) {
 299                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 300                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 301                                 $this->parent->generateKeys();
 302                                 $this->setVar( 'wgSecretKey', $secretKey );
 303                                 $this->setVar( '_UpgradeKeySupplied', true );
 304                         }
 305                         $this->startForm();
 306                         $this->addHTML( $this->parent->getInfoBox(
 307                                 wfMessage( 'config-upgrade-key-missing', "<pre dir=\"ltr\">\$wgUpgradeKey = '" .
 308                                         $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )->plain()
 309                         ) );
 310                         $this->endForm( 'continue' );
 311                         return 'output';
 312                 }
 313
 314                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 315
 316                 $r = $this->parent->request;
 317                 if ( $r->wasPosted() ) {
 318                         $key = $r->getText( 'config_wgUpgradeKey' );
 319                         if ( !$key || $key !== $vars['wgUpgradeKey'] ) {
 320                                 $this->parent->showError( 'config-localsettings-badkey' );
 321                                 $this->showKeyForm();
 322                                 return 'output';
 323                         }
 324                         // Key was OK
 325                         $status = $this->handleExistingUpgrade( $vars );
 326                         if ( $status->isOK() ) {
 327                                 return 'continue';
 328                         } else {
 329                                 $this->parent->showStatusBox( $status );
 330                                 $this->showKeyForm();
 331                                 return 'output';
 332                         }
 333                 } else {
 334                         $this->showKeyForm();
 335                         return 'output';
 336                 }
 337         }
 338
 339         /**
 340          * Show the "enter key" form
 341          */
 342         protected function showKeyForm() {
 343                 $this->startForm();
 344                 $this->addHTML(
 345                         $this->parent->getInfoBox( wfMessage( 'config-localsettings-upgrade' )->plain() ) .
 346                         '<br />' .
 347                         $this->parent->getTextBox( array(
 348                                 'var' => 'wgUpgradeKey',
 349                                 'label' => 'config-localsettings-key',
 350                                 'attribs' => array( 'autocomplete' => 'off' ),
 351                         ) )
 352                 );
 353                 $this->endForm( 'continue' );
 354         }
 355
 356         protected function importVariables( $names, $vars ) {
 357                 $status = Status::newGood();
 358                 foreach ( $names as $name ) {
 359                         if ( !isset( $vars[$name] ) ) {
 360                                 $status->fatal( 'config-localsettings-incomplete', $name );
 361                         }
 362                         $this->setVar( $name, $vars[$name] );
 363                 }
 364                 return $status;
 365         }
 366
 367         /**
 368          * Initiate an upgrade of the existing database
 369          * @param array $vars Variables from LocalSettings.php and AdminSettings.php
 370          * @return Status
 371          */
 372         protected function handleExistingUpgrade( $vars ) {
 373                 // Check $wgDBtype
 374                 if ( !isset( $vars['wgDBtype'] ) ||
 375                          !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 376                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 377                 }
 378
 379                 // Set the relevant variables from LocalSettings.php
 380                 $requiredVars = array( 'wgDBtype' );
 381                 $status = $this->importVariables( $requiredVars, $vars );
 382                 $installer = $this->parent->getDBInstaller();
 383                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 384                 if ( !$status->isOK() ) {
 385                         return $status;
 386                 }
 387
 388                 if ( isset( $vars['wgDBadminuser'] ) ) {
 389                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 390                 } else {
 391                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 392                 }
 393                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 394                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 395                 } else {
 396                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 397                 }
 398
 399                 // Test the database connection
 400                 $status = $installer->getConnection();
 401                 if ( !$status->isOK() ) {
 402                         // Adjust the error message to explain things correctly
 403                         $status->replaceMessage( 'config-connection-error',
 404                                 'config-localsettings-connection-error' );
 405                         return $status;
 406                 }
 407
 408                 // All good
 409                 $this->setVar( '_ExistingDBSettings', true );
 410                 return $status;
 411         }
 412 }
 413
 414 class WebInstaller_Welcome extends WebInstallerPage {
 415
 416         public function execute() {
 417                 if ( $this->parent->request->wasPosted() ) {
 418                         if ( $this->getVar( '_Environment' ) ) {
 419                                 return 'continue';
 420                         }
 421                 }
 422                 $this->parent->output->addWikiText( wfMessage( 'config-welcome' )->plain() );
 423                 $status = $this->parent->doEnvironmentChecks();
 424                 if ( $status->isGood() ) {
 425                         $this->parent->output->addHTML( '<span class="success-message">' .
 426                                 wfMessage( 'config-env-good' )->escaped() . '</span>' );
 427                         $this->parent->output->addWikiText( wfMessage( 'config-copyright',
 428                                 SpecialVersion::getCopyrightAndAuthorList() )->plain() );
 429                         $this->startForm();
 430                         $this->endForm();
 431                 } else {
 432                         $this->parent->showStatusMessage( $status );
 433                 }
 434                 return '';
 435         }
 436
 437 }
 438
 439 class WebInstaller_DBConnect extends WebInstallerPage {
 440
 441         public function execute() {
 442                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 443                         return 'skip';
 444                 }
 445
 446                 $r = $this->parent->request;
 447                 if ( $r->wasPosted() ) {
 448                         $status = $this->submit();
 449
 450                         if ( $status->isGood() ) {
 451                                 $this->setVar( '_UpgradeDone', false );
 452                                 return 'continue';
 453                         } else {
 454                                 $this->parent->showStatusBox( $status );
 455                         }
 456                 }
 457
 458                 $this->startForm();
 459
 460                 $types = "<ul class=\"config-settings-block\">\n";
 461                 $settings = '';
 462                 $defaultType = $this->getVar( 'wgDBtype' );
 463
 464                 // Messages: config-support-mysql, config-support-postgres, config-support-oracle,
 465                 // config-support-sqlite
 466                 $dbSupport = '';
 467                 foreach ( $this->parent->getDBTypes() as $type ) {
 468                         $link = DatabaseBase::factory( $type )->getSoftwareLink();
 469                         $dbSupport .= wfMessage( "config-support-$type", $link )->plain() . "\n";
 470                 }
 471                 $this->addHTML( $this->parent->getInfoBox(
 472                         wfMessage( 'config-support-info', trim( $dbSupport ) )->text() ) );
 473
 474                 // It's possible that the library for the default DB type is not compiled in.
 475                 // In that case, instead select the first supported DB type in the list.
 476                 $compiledDBs = $this->parent->getCompiledDBs();
 477                 if ( !in_array( $defaultType, $compiledDBs ) ) {
 478                         $defaultType = $compiledDBs[0];
 479                 }
 480
 481                 foreach ( $compiledDBs as $type ) {
 482                         $installer = $this->parent->getDBInstaller( $type );
 483                         $types .=
 484                                 '<li>' .
 485                                 Xml::radioLabel(
 486                                         $installer->getReadableName(),
 487                                         'DBType',
 488                                         $type,
 489                                         "DBType_$type",
 490                                         $type == $defaultType,
 491                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 492                                 ) .
 493                                 "</li>\n";
 494
 495                         // Messages: config-header-mysql, config-header-postgres, config-header-oracle,
 496                         // config-header-sqlite
 497                         $settings .=
 498                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type,
 499                                                 'class' => 'dbWrapper' ) ) .
 500                                 Html::element( 'h3', array(), wfMessage( 'config-header-' . $type )->text() ) .
 501                                 $installer->getConnectForm() .
 502                                 "</div>\n";
 503                 }
 504                 $types .= "</ul><br style=\"clear: left\"/>\n";
 505
 506                 $this->addHTML(
 507                         $this->parent->label( 'config-db-type', false, $types ) .
 508                         $settings
 509                 );
 510
 511                 $this->endForm();
 512         }
 513
 514         public function submit() {
 515                 $r = $this->parent->request;
 516                 $type = $r->getVal( 'DBType' );
 517                 if ( !$type ) {
 518                         return Status::newFatal( 'config-invalid-db-type' );
 519                 }
 520                 $this->setVar( 'wgDBtype', $type );
 521                 $installer = $this->parent->getDBInstaller( $type );
 522                 if ( !$installer ) {
 523                         return Status::newFatal( 'config-invalid-db-type' );
 524                 }
 525                 return $installer->submitConnectForm();
 526         }
 527
 528 }
 529
 530 class WebInstaller_Upgrade extends WebInstallerPage {
 531         public function isSlow() {
 532                 return true;
 533         }
 534
 535         public function execute() {
 536                 if ( $this->getVar( '_UpgradeDone' ) ) {
 537                         // Allow regeneration of LocalSettings.php, unless we are working
 538                         // from a pre-existing LocalSettings.php file and we want to avoid
 539                         // leaking its contents
 540                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 541                                 // Done message acknowledged
 542                                 return 'continue';
 543                         } else {
 544                                 // Back button click
 545                                 // Show the done message again
 546                                 // Make them click back again if they want to do the upgrade again
 547                                 $this->showDoneMessage();
 548                                 return 'output';
 549                         }
 550                 }
 551
 552                 // wgDBtype is generally valid here because otherwise the previous page
 553                 // (connect) wouldn't have declared its happiness
 554                 $type = $this->getVar( 'wgDBtype' );
 555                 $installer = $this->parent->getDBInstaller( $type );
 556
 557                 if ( !$installer->needsUpgrade() ) {
 558                         return 'skip';
 559                 }
 560
 561                 if ( $this->parent->request->wasPosted() ) {
 562                         $installer->preUpgrade();
 563
 564                         $this->startLiveBox();
 565                         $result = $installer->doUpgrade();
 566                         $this->endLiveBox();
 567
 568                         if ( $result ) {
 569                                 // If they're going to possibly regenerate LocalSettings, we
 570                                 // need to create the upgrade/secret keys. Bug 26481
 571                                 if ( !$this->getVar( '_ExistingDBSettings' ) ) {
 572                                         $this->parent->generateKeys();
 573                                 }
 574                                 $this->setVar( '_UpgradeDone', true );
 575                                 $this->showDoneMessage();
 576                                 return 'output';
 577                         }
 578                 }
 579
 580                 $this->startForm();
 581                 $this->addHTML( $this->parent->getInfoBox(
 582                         wfMessage( 'config-can-upgrade', $GLOBALS['wgVersion'] )->plain() ) );
 583                 $this->endForm();
 584         }
 585
 586         public function showDoneMessage() {
 587                 $this->startForm();
 588                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 589                 if ( $regenerate ) {
 590                         $msg = 'config-upgrade-done';
 591                 } else {
 592                         $msg = 'config-upgrade-done-no-regenerate';
 593                 }
 594                 $this->parent->disableLinkPopups();
 595                 $this->addHTML(
 596                         $this->parent->getInfoBox(
 597                                 wfMessage( $msg,
 598                                         $this->getVar( 'wgServer' ) .
 599                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 600                                                 $this->getVar( 'wgScriptExtension' )
 601                                 )->plain(), 'tick-32.png'
 602                         )
 603                 );
 604                 $this->parent->restoreLinkPopups();
 605                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 606         }
 607
 608 }
 609
 610 class WebInstaller_DBSettings extends WebInstallerPage {
 611
 612         public function execute() {
 613                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 614
 615                 $r = $this->parent->request;
 616                 if ( $r->wasPosted() ) {
 617                         $status = $installer->submitSettingsForm();
 618                         if ( $status === false ) {
 619                                 return 'skip';
 620                         } elseif ( $status->isGood() ) {
 621                                 return 'continue';
 622                         } else {
 623                                 $this->parent->showStatusBox( $status );
 624                         }
 625                 }
 626
 627                 $form = $installer->getSettingsForm();
 628                 if ( $form === false ) {
 629                         return 'skip';
 630                 }
 631
 632                 $this->startForm();
 633                 $this->addHTML( $form );
 634                 $this->endForm();
 635         }
 636
 637 }
 638
 639 class WebInstaller_Name extends WebInstallerPage {
 640
 641         public function execute() {
 642                 $r = $this->parent->request;
 643                 if ( $r->wasPosted() ) {
 644                         if ( $this->submit() ) {
 645                                 return 'continue';
 646                         }
 647                 }
 648
 649                 $this->startForm();
 650
 651                 // Encourage people to not name their site 'MediaWiki' by blanking the
 652                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 653                 // but these two always were the same so had the effect of making the
 654                 // installer forget $wgSitename when navigating back to this page.
 655                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 656                         $this->setVar( 'wgSitename', '' );
 657                 }
 658
 659                 // Set wgMetaNamespace to something valid before we show the form.
 660                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 661                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 662                 $this->setVar(
 663                         'wgMetaNamespace',
 664                         wfMessage( 'config-ns-other-default' )->inContentLanguage()->text()
 665                 );
 666
 667                 $this->addHTML(
 668                         $this->parent->getTextBox( array(
 669                                 'var' => 'wgSitename',
 670                                 'label' => 'config-site-name',
 671                                 'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 672                         ) ) .
 673                         // getRadioSet() builds a set of labeled radio buttons.
 674                         // For grep: The following messages are used as the item labels:
 675                         // config-ns-site-name, config-ns-generic, config-ns-other
 676                         $this->parent->getRadioSet( array(
 677                                 'var' => '_NamespaceType',
 678                                 'label' => 'config-project-namespace',
 679                                 'itemLabelPrefix' => 'config-ns-',
 680                                 'values' => array( 'site-name', 'generic', 'other' ),
 681                                 'commonAttribs' => array( 'class' => 'enableForOther',
 682                                         'rel' => 'config_wgMetaNamespace' ),
 683                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 684                         ) ) .
 685                         $this->parent->getTextBox( array(
 686                                 'var' => 'wgMetaNamespace',
 687                                 'label' => '', //TODO: Needs a label?
 688                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 689
 690                         ) ) .
 691                         $this->getFieldSetStart( 'config-admin-box' ) .
 692                         $this->parent->getTextBox( array(
 693                                 'var' => '_AdminName',
 694                                 'label' => 'config-admin-name',
 695                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 696                         ) ) .
 697                         $this->parent->getPasswordBox( array(
 698                                 'var' => '_AdminPassword',
 699                                 'label' => 'config-admin-password',
 700                         ) ) .
 701                         $this->parent->getPasswordBox( array(
 702                                 'var' => '_AdminPassword2',
 703                                 'label' => 'config-admin-password-confirm'
 704                         ) ) .
 705                         $this->parent->getTextBox( array(
 706                                 'var' => '_AdminEmail',
 707                                 'label' => 'config-admin-email',
 708                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 709                         ) ) .
 710                         $this->parent->getCheckBox( array(
 711                                 'var' => '_Subscribe',
 712                                 'label' => 'config-subscribe',
 713                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 714                         ) ) .
 715                         $this->getFieldSetEnd() .
 716                         $this->parent->getInfoBox( wfMessage( 'config-almost-done' )->text() ) .
 717                         // getRadioSet() builds a set of labeled radio buttons.
 718                         // For grep: The following messages are used as the item labels:
 719                         // config-optional-continue, config-optional-skip
 720                         $this->parent->getRadioSet( array(
 721                                 'var' => '_SkipOptional',
 722                                 'itemLabelPrefix' => 'config-optional-',
 723                                 'values' => array( 'continue', 'skip' )
 724                         ) )
 725                 );
 726
 727                 // Restore the default value
 728                 $this->setVar( 'wgMetaNamespace', $metaNS );
 729
 730                 $this->endForm();
 731                 return 'output';
 732         }
 733
 734         public function submit() {
 735                 $retVal = true;
 736                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 737                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 738                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 739
 740                 // Validate site name
 741                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 742                         $this->parent->showError( 'config-site-name-blank' );
 743                         $retVal = false;
 744                 }
 745
 746                 // Fetch namespace
 747                 $nsType = $this->getVar( '_NamespaceType' );
 748                 if ( $nsType == 'site-name' ) {
 749                         $name = $this->getVar( 'wgSitename' );
 750                         // Sanitize for namespace
 751                         // This algorithm should match the JS one in WebInstallerOutput.php
 752                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 753                         $name = str_replace( '&', '&amp;', $name );
 754                         $name = preg_replace( '/__+/', '_', $name );
 755                         $name = ucfirst( trim( $name, '_' ) );
 756                 } elseif ( $nsType == 'generic' ) {
 757                         $name = wfMessage( 'config-ns-generic' )->text();
 758                 } else { // other
 759                         $name = $this->getVar( 'wgMetaNamespace' );
 760                 }
 761
 762                 // Validate namespace
 763                 if ( strpos( $name, ':' ) !== false ) {
 764                         $good = false;
 765                 } else {
 766                         // Title-style validation
 767                         $title = Title::newFromText( $name );
 768                         if ( !$title ) {
 769                                 $good = $nsType == 'site-name';
 770                         } else {
 771                                 $name = $title->getDBkey();
 772                                 $good = true;
 773                         }
 774                 }
 775                 if ( !$good ) {
 776                         $this->parent->showError( 'config-ns-invalid', $name );
 777                         $retVal = false;
 778                 }
 779
 780                 // Make sure it won't conflict with any existing namespaces
 781                 global $wgContLang;
 782                 $nsIndex = $wgContLang->getNsIndex( $name );
 783                 if ( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 784                         $this->parent->showError( 'config-ns-conflict', $name );
 785                         $retVal = false;
 786                 }
 787
 788                 $this->setVar( 'wgMetaNamespace', $name );
 789
 790                 // Validate username for creation
 791                 $name = $this->getVar( '_AdminName' );
 792                 if ( strval( $name ) === '' ) {
 793                         $this->parent->showError( 'config-admin-name-blank' );
 794                         $cname = $name;
 795                         $retVal = false;
 796                 } else {
 797                         $cname = User::getCanonicalName( $name, 'creatable' );
 798                         if ( $cname === false ) {
 799                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 800                                 $retVal = false;
 801                         } else {
 802                                 $this->setVar( '_AdminName', $cname );
 803                         }
 804                 }
 805
 806                 // Validate password
 807                 $msg = false;
 808                 $pwd = $this->getVar( '_AdminPassword' );
 809                 $user = User::newFromName( $cname );
 810                 $valid = $user && $user->getPasswordValidity( $pwd );
 811                 if ( strval( $pwd ) === '' ) {
 812                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 813                         # This message is more specific and helpful.
 814                         $msg = 'config-admin-password-blank';
 815                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 816                         $msg = 'config-admin-password-mismatch';
 817                 } elseif ( $valid !== true ) {
 818                         # As of writing this will only catch the username being e.g. 'FOO' and
 819                         # the password 'foo'
 820                         $msg = $valid;
 821                 }
 822                 if ( $msg !== false ) {
 823                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 824                         $this->setVar( '_AdminPassword', '' );
 825                         $this->setVar( '_AdminPassword2', '' );
 826                         $retVal = false;
 827                 }
 828
 829                 // Validate e-mail if provided
 830                 $email = $this->getVar( '_AdminEmail' );
 831                 if ( $email && !Sanitizer::validateEmail( $email ) ) {
 832                         $this->parent->showError( 'config-admin-error-bademail' );
 833                         $retVal = false;
 834                 }
 835                 // If they asked to subscribe to mediawiki-announce but didn't give
 836                 // an e-mail, show an error. Bug 29332
 837                 if ( !$email && $this->getVar( '_Subscribe' ) ) {
 838                         $this->parent->showError( 'config-subscribe-noemail' );
 839                         $retVal = false;
 840                 }
 841
 842                 return $retVal;
 843         }
 844
 845 }
 846
 847 class WebInstaller_Options extends WebInstallerPage {
 848
 849         public function execute() {
 850                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 851                         return 'skip';
 852                 }
 853                 if ( $this->parent->request->wasPosted() ) {
 854                         if ( $this->submit() ) {
 855                                 return 'continue';
 856                         }
 857                 }
 858
 859                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 860                 $this->startForm();
 861                 $this->addHTML(
 862                         # User Rights
 863                         // getRadioSet() builds a set of labeled radio buttons.
 864                         // For grep: The following messages are used as the item labels:
 865                         // config-profile-wiki, config-profile-no-anon, config-profile-fishbowl, config-profile-private
 866                         $this->parent->getRadioSet( array(
 867                                 'var' => '_RightsProfile',
 868                                 'label' => 'config-profile',
 869                                 'itemLabelPrefix' => 'config-profile-',
 870                                 'values' => array_keys( $this->parent->rightsProfiles ),
 871                         ) ) .
 872                         $this->parent->getInfoBox( wfMessage( 'config-profile-help' )->plain() ) .
 873
 874                         # Licensing
 875                         // getRadioSet() builds a set of labeled radio buttons.
 876                         // For grep: The following messages are used as the item labels:
 877                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
 878                         // config-license-cc-0, config-license-pd, config-license-gfdl,
 879                         // config-license-none, config-license-cc-choose
 880                         $this->parent->getRadioSet( array(
 881                                 'var' => '_LicenseCode',
 882                                 'label' => 'config-license',
 883                                 'itemLabelPrefix' => 'config-license-',
 884                                 'values' => array_keys( $this->parent->licenses ),
 885                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 886                         ) ) .
 887                         $this->getCCChooser() .
 888                         $this->parent->getHelpBox( 'config-license-help' ) .
 889
 890                         # E-mail
 891                         $this->getFieldSetStart( 'config-email-settings' ) .
 892                         $this->parent->getCheckBox( array(
 893                                 'var' => 'wgEnableEmail',
 894                                 'label' => 'config-enable-email',
 895                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 896                         ) ) .
 897                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 898                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 899                         $this->parent->getTextBox( array(
 900                                 'var' => 'wgPasswordSender',
 901                                 'label' => 'config-email-sender'
 902                         ) ) .
 903                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 904                         $this->parent->getCheckBox( array(
 905                                 'var' => 'wgEnableUserEmail',
 906                                 'label' => 'config-email-user',
 907                         ) ) .
 908                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 909                         $this->parent->getCheckBox( array(
 910                                 'var' => 'wgEnotifUserTalk',
 911                                 'label' => 'config-email-usertalk',
 912                         ) ) .
 913                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 914                         $this->parent->getCheckBox( array(
 915                                 'var' => 'wgEnotifWatchlist',
 916                                 'label' => 'config-email-watchlist',
 917                         ) ) .
 918                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 919                         $this->parent->getCheckBox( array(
 920                                 'var' => 'wgEmailAuthentication',
 921                                 'label' => 'config-email-auth',
 922                         ) ) .
 923                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 924                         "</div>" .
 925                         $this->getFieldSetEnd()
 926                 );
 927
 928                 $extensions = $this->parent->findExtensions();
 929
 930                 if ( $extensions ) {
 931                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 932
 933                         foreach ( $extensions as $ext ) {
 934                                 $extHtml .= $this->parent->getCheckBox( array(
 935                                         'var' => "ext-$ext",
 936                                         'rawtext' => $ext,
 937                                 ) );
 938                         }
 939
 940                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 941                         $this->getFieldSetEnd();
 942                         $this->addHTML( $extHtml );
 943                 }
 944
 945                 // Having / in paths in Windows looks funny :)
 946                 $this->setVar( 'wgDeletedDirectory',
 947                         str_replace(
 948                                 '/', DIRECTORY_SEPARATOR,
 949                                 $this->getVar( 'wgDeletedDirectory' )
 950                         )
 951                 );
 952                 // If we're using the default, let the user set it relative to $wgScriptPath
 953                 $curLogo = $this->getVar( 'wgLogo' );
 954                 $logoString = ( $curLogo == "/wiki/skins/common/images/wiki.png" ) ?
 955                         '$wgStylePath/common/images/wiki.png' : $curLogo;
 956
 957                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 958                 $this->addHTML(
 959                         # Uploading
 960                         $this->getFieldSetStart( 'config-upload-settings' ) .
 961                         $this->parent->getCheckBox( array(
 962                                 'var' => 'wgEnableUploads',
 963                                 'label' => 'config-upload-enable',
 964                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 965                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 966                         ) ) .
 967                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 968                         $this->parent->getTextBox( array(
 969                                 'var' => 'wgDeletedDirectory',
 970                                 'label' => 'config-upload-deleted',
 971                                 'attribs' => array( 'dir' => 'ltr' ),
 972                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 973                         ) ) .
 974                         '</div>' .
 975                         $this->parent->getTextBox( array(
 976                                 'var' => 'wgLogo',
 977                                 'value' => $logoString,
 978                                 'label' => 'config-logo',
 979                                 'attribs' => array( 'dir' => 'ltr' ),
 980                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 981                         ) )
 982                 );
 983                 $this->addHTML(
 984                         $this->parent->getCheckBox( array(
 985                                 'var' => 'wgUseInstantCommons',
 986                                 'label' => 'config-instantcommons',
 987                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 988                         ) ) .
 989                         $this->getFieldSetEnd()
 990                 );
 991
 992                 $caches = array( 'none' );
 993                 if ( count( $this->getVar( '_Caches' ) ) ) {
 994                         $caches[] = 'accel';
 995                 }
 996                 $caches[] = 'memcached';
 997
 998                 // We'll hide/show this on demand when the value changes, see config.js.
 999                 $cacheval = $this->getVar( 'wgMainCacheType' );
1000                 if ( !$cacheval ) {
1001                         // We need to set a default here; but don't hardcode it
1002                         // or we lose it every time we reload the page for validation
1003                         // or going back!
1004                         $cacheval = 'none';
1005                 }
1006                 $hidden = ( $cacheval == 'memcached' ) ? '' : 'display: none';
1007                 $this->addHTML(
1008                         # Advanced settings
1009                         $this->getFieldSetStart( 'config-advanced-settings' ) .
1010                         # Object cache settings
1011                         // getRadioSet() builds a set of labeled radio buttons.
1012                         // For grep: The following messages are used as the item labels:
1013                         // config-cache-none, config-cache-accel, config-cache-memcached
1014                         $this->parent->getRadioSet( array(
1015                                 'var' => 'wgMainCacheType',
1016                                 'label' => 'config-cache-options',
1017                                 'itemLabelPrefix' => 'config-cache-',
1018                                 'values' => $caches,
1019                                 'value' => $cacheval,
1020                         ) ) .
1021                         $this->parent->getHelpBox( 'config-cache-help' ) .
1022                         "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
1023                         $this->parent->getTextArea( array(
1024                                 'var' => '_MemCachedServers',
1025                                 'label' => 'config-memcached-servers',
1026                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
1027                         ) ) .
1028                         '</div>' .
1029                         $this->getFieldSetEnd()
1030                 );
1031                 $this->endForm();
1032         }
1033
1034         /**
1035          * @return string
1036          */
1037         public function getCCPartnerUrl() {
1038                 $server = $this->getVar( 'wgServer' );
1039                 $exitUrl = $server . $this->parent->getUrl( array(
1040                         'page' => 'Options',
1041                         'SubmitCC' => 'indeed',
1042                         'config__LicenseCode' => 'cc',
1043                         'config_wgRightsUrl' => '[license_url]',
1044                         'config_wgRightsText' => '[license_name]',
1045                         'config_wgRightsIcon' => '[license_button]',
1046                 ) );
1047                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
1048                         '/skins/common/config-cc.css';
1049                 $iframeUrl = 'http://creativecommons.org/license/?' .
1050                         wfArrayToCgi( array(
1051                                 'partner' => 'MediaWiki',
1052                                 'exit_url' => $exitUrl,
1053                                 'lang' => $this->getVar( '_UserLang' ),
1054                                 'stylesheet' => $styleUrl,
1055                         ) );
1056                 return $iframeUrl;
1057         }
1058
1059         public function getCCChooser() {
1060                 $iframeAttribs = array(
1061                         'class' => 'config-cc-iframe',
1062                         'name' => 'config-cc-iframe',
1063                         'id' => 'config-cc-iframe',
1064                         'frameborder' => 0,
1065                         'width' => '100%',
1066                         'height' => '100%',
1067                 );
1068                 if ( $this->getVar( '_CCDone' ) ) {
1069                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
1070                 } else {
1071                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
1072                 }
1073                 $wrapperStyle = ( $this->getVar( '_LicenseCode' ) == 'cc-choose' ) ? '' : 'display: none';
1074
1075                 return "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
1076                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1077                         "</div>\n";
1078         }
1079
1080         public function getCCDoneBox() {
1081                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1082                 // If you change this height, also change it in config.css
1083                 $expandJs = str_replace( '$1', '54em', $js );
1084                 $reduceJs = str_replace( '$1', '70px', $js );
1085                 return '<p>' .
1086                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1087                         '&#160;&#160;' .
1088                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1089                         "</p>\n" .
1090                         "<p style=\"text-align: center;\">" .
1091                         Html::element( 'a',
1092                                 array(
1093                                         'href' => $this->getCCPartnerUrl(),
1094                                         'onclick' => $expandJs,
1095                                 ),
1096                                 wfMessage( 'config-cc-again' )->text()
1097                         ) .
1098                         "</p>\n" .
1099                         "<script>\n" .
1100                         # Reduce the wrapper div height
1101                         htmlspecialchars( $reduceJs ) .
1102                         "\n" .
1103                         "</script>\n";
1104         }
1105
1106         public function submitCC() {
1107                 $newValues = $this->parent->setVarsFromRequest(
1108                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1109                 if ( count( $newValues ) != 3 ) {
1110                         $this->parent->showError( 'config-cc-error' );
1111                         return;
1112                 }
1113                 $this->setVar( '_CCDone', true );
1114                 $this->addHTML( $this->getCCDoneBox() );
1115         }
1116
1117         public function submit() {
1118                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1119                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1120                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1121                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1122                         'wgUseInstantCommons' ) );
1123
1124                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1125                         array_keys( $this->parent->rightsProfiles ) ) )
1126                 {
1127                         reset( $this->parent->rightsProfiles );
1128                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1129                 }
1130
1131                 $code = $this->getVar( '_LicenseCode' );
1132                 if ( $code == 'cc-choose' ) {
1133                         if ( !$this->getVar( '_CCDone' ) ) {
1134                                 $this->parent->showError( 'config-cc-not-chosen' );
1135                                 return false;
1136                         }
1137                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1138                         // Messages:
1139                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
1140                         // config-license-cc-0, config-license-pd, config-license-gfdl, config-license-none,
1141                         // config-license-cc-choose
1142                         $entry = $this->parent->licenses[$code];
1143                         if ( isset( $entry['text'] ) ) {
1144                                 $this->setVar( 'wgRightsText', $entry['text'] );
1145                         } else {
1146                                 $this->setVar( 'wgRightsText', wfMessage( 'config-license-' . $code )->text() );
1147                         }
1148                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1149                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1150                 } else {
1151                         $this->setVar( 'wgRightsText', '' );
1152                         $this->setVar( 'wgRightsUrl', '' );
1153                         $this->setVar( 'wgRightsIcon', '' );
1154                 }
1155
1156                 $extsAvailable = $this->parent->findExtensions();
1157                 $extsToInstall = array();
1158                 foreach ( $extsAvailable as $ext ) {
1159                         if ( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1160                                 $extsToInstall[] = $ext;
1161                         }
1162                 }
1163                 $this->parent->setVar( '_Extensions', $extsToInstall );
1164
1165                 if ( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1166                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1167                         if ( !$memcServers ) {
1168                                 $this->parent->showError( 'config-memcache-needservers' );
1169                                 return false;
1170                         }
1171
1172                         foreach ( $memcServers as $server ) {
1173                                 $memcParts = explode( ":", $server, 2 );
1174                                 if ( !isset( $memcParts[0] )
1175                                                 || ( !IP::isValid( $memcParts[0] )
1176                                                         && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) ) ) {
1177                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1178                                         return false;
1179                                 } elseif ( !isset( $memcParts[1] ) ) {
1180                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1181                                         return false;
1182                                 } elseif ( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1183                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1184                                         return false;
1185                                 }
1186                         }
1187                 }
1188                 return true;
1189         }
1190
1191 }
1192
1193 class WebInstaller_Install extends WebInstallerPage {
1194         public function isSlow() {
1195                 return true;
1196         }
1197
1198         public function execute() {
1199                 if ( $this->getVar( '_UpgradeDone' ) ) {
1200                         return 'skip';
1201                 } elseif ( $this->getVar( '_InstallDone' ) ) {
1202                         return 'continue';
1203                 } elseif ( $this->parent->request->wasPosted() ) {
1204                         $this->startForm();
1205                         $this->addHTML( "<ul>" );
1206                         $results = $this->parent->performInstallation(
1207                                 array( $this, 'startStage' ),
1208                                 array( $this, 'endStage' )
1209                         );
1210                         $this->addHTML( "</ul>" );
1211                         // PerformInstallation bails on a fatal, so make sure the last item
1212                         // completed before giving 'next.' Likewise, only provide back on failure
1213                         $lastStep = end( $results );
1214                         $continue = $lastStep->isOK() ? 'continue' : false;
1215                         $back = $lastStep->isOK() ? false : 'back';
1216                         $this->endForm( $continue, $back );
1217                 } else {
1218                         $this->startForm();
1219                         $this->addHTML( $this->parent->getInfoBox( wfMessage( 'config-install-begin' )->plain() ) );
1220                         $this->endForm();
1221                 }
1222                 return true;
1223         }
1224
1225         public function startStage( $step ) {
1226                 // Messages: config-install-database, config-install-tables, config-install-interwiki,
1227                 // config-install-stats, config-install-keys, config-install-sysop, config-install-mainpage
1228                 $this->addHTML( "<li>" . wfMessage( "config-install-$step" )->escaped() . wfMessage( 'ellipsis' )->escaped() );
1229                 if ( $step == 'extension-tables' ) {
1230                         $this->startLiveBox();
1231                 }
1232         }
1233
1234         /**
1235          * @param $step
1236          * @param $status Status
1237          */
1238         public function endStage( $step, $status ) {
1239                 if ( $step == 'extension-tables' ) {
1240                         $this->endLiveBox();
1241                 }
1242                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1243                 $html = wfMessage( 'word-separator' )->escaped() . wfMessage( $msg )->escaped();
1244                 if ( !$status->isOk() ) {
1245                         $html = "<span class=\"error\">$html</span>";
1246                 }
1247                 $this->addHTML( $html . "</li>\n" );
1248                 if ( !$status->isGood() ) {
1249                         $this->parent->showStatusBox( $status );
1250                 }
1251         }
1252
1253 }
1254
1255 class WebInstaller_Complete extends WebInstallerPage {
1256
1257         public function execute() {
1258                 // Pop up a dialog box, to make it difficult for the user to forget
1259                 // to download the file
1260                 $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
1261                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
1262                          strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1263                         // JS appears to be the only method that works consistently with IE7+
1264                         $this->addHtml( "\n<script>jQuery( function () { document.location = " .
1265                                 Xml::encodeJsVar( $lsUrl ) . "; } );</script>\n" );
1266                 } else {
1267                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1268                 }
1269
1270                 $this->startForm();
1271                 $this->parent->disableLinkPopups();
1272                 $this->addHTML(
1273                         $this->parent->getInfoBox(
1274                                 wfMessage( 'config-install-done',
1275                                         $lsUrl,
1276                                         $this->getVar( 'wgServer' ) .
1277                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1278                                                 $this->getVar( 'wgScriptExtension' ),
1279                                         '<downloadlink/>'
1280                                 )->plain(), 'tick-32.png'
1281                         )
1282                 );
1283                 $this->addHTML( $this->parent->getInfoBox(
1284                         wfMessage( 'config-extension-link' )->text() ) );
1285
1286                 $this->parent->restoreLinkPopups();
1287                 $this->endForm( false, false );
1288         }
1289 }
1290
1291 class WebInstaller_Restart extends WebInstallerPage {
1292
1293         public function execute() {
1294                 $r = $this->parent->request;
1295                 if ( $r->wasPosted() ) {
1296                         $really = $r->getVal( 'submit-restart' );
1297                         if ( $really ) {
1298                                 $this->parent->reset();
1299                         }
1300                         return 'continue';
1301                 }
1302
1303                 $this->startForm();
1304                 $s = $this->parent->getWarningBox( wfMessage( 'config-help-restart' )->plain() );
1305                 $this->addHTML( $s );
1306                 $this->endForm( 'restart' );
1307         }
1308
1309 }
1310
1311 abstract class WebInstaller_Document extends WebInstallerPage {
1312
1313         abstract protected function getFileName();
1314
1315         public function execute() {
1316                 $text = $this->getFileContents();
1317                 $text = InstallDocFormatter::format( $text );
1318                 $this->parent->output->addWikiText( $text );
1319                 $this->startForm();
1320                 $this->endForm( false );
1321         }
1322
1323         public function getFileContents() {
1324                 $file = __DIR__ . '/../../' . $this->getFileName();
1325                 if ( ! file_exists( $file ) ) {
1326                         return wfMessage( 'config-nofile', $file )->plain();
1327                 }
1328                 return file_get_contents( $file );
1329         }
1330
1331 }
1332
1333 class WebInstaller_Readme extends WebInstaller_Document {
1334         protected function getFileName() {
1335                 return 'README';
1336         }
1337 }
1338
1339 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1340         protected function getFileName() {
1341                 global $wgVersion;
1342
1343                 if ( !preg_match( '/^(\d+)\.(\d+).*/i', $wgVersion, $result ) ) {
1344                         throw new MWException( 'Variable $wgVersion has an invalid value.' );
1345                 }
1346
1347                 return 'RELEASE-NOTES-' . $result[1] . '.' . $result[2];
1348         }
1349 }
1350
1351 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1352         protected function getFileName() {
1353                 return 'UPGRADE';
1354         }
1355 }
1356
1357 class WebInstaller_Copying extends WebInstaller_Document {
1358         protected function getFileName() {
1359                 return 'COPYING';
1360         }
1361 }