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