includes/installer/WebInstallerPage.php

   1 <?php
   2 /**
   3  * Base code for web installer pages.
   4  *
   5  * @file
   6  * @ingroup Deployment
   7  */
   8
   9 /**
  10  * Abstract class to define pages for the web installer.
  11  *
  12  * @ingroup Deployment
  13  * @since 1.17
  14  */
  15 abstract class WebInstallerPage {
  16
  17         /**
  18          * The WebInstaller object this WebInstallerPage belongs to.
  19          *
  20          * @var WebInstaller
  21          */
  22         public $parent;
  23
  24         public abstract function execute();
  25
  26         /**
  27          * Constructor.
  28          *
  29          * @param $parent WebInstaller
  30          */
  31         public function __construct( WebInstaller $parent ) {
  32                 $this->parent = $parent;
  33         }
  34
  35         public function addHTML( $html ) {
  36                 $this->parent->output->addHTML( $html );
  37         }
  38
  39         public function startForm() {
  40                 $this->addHTML(
  41                         "<div class=\"config-section\">\n" .
  42                         Html::openElement(
  43                                 'form',
  44                                 array(
  45                                         'method' => 'post',
  46                                         'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
  47                                 )
  48                         ) . "\n"
  49                 );
  50         }
  51
  52         public function endForm( $continue = 'continue', $back = 'back' ) {
  53                 $s = "<div class=\"config-submit\">\n";
  54                 $id = $this->getId();
  55
  56                 if ( $id === false ) {
  57                         $s .= Html::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
  58                 }
  59
  60                 if ( $continue ) {
  61                         // Fake submit button for enter keypress (bug 26267)
  62                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
  63                                 array( 'name' => "enter-$continue", 'style' => 'visibility:hidden;overflow:hidden;width:1px;margin:0' ) ) . "\n";
  64                 }
  65
  66                 if ( $back ) {
  67                         $s .= Xml::submitButton( wfMsg( "config-$back" ),
  68                                 array(
  69                                         'name' => "submit-$back",
  70                                         'tabindex' => $this->parent->nextTabIndex()
  71                                 ) ) . "\n";
  72                 }
  73
  74                 if ( $continue ) {
  75                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
  76                                 array(
  77                                         'name' => "submit-$continue",
  78                                         'tabindex' => $this->parent->nextTabIndex(),
  79                                 ) ) . "\n";
  80                 }
  81
  82                 $s .= "</div></form></div>\n";
  83                 $this->addHTML( $s );
  84         }
  85
  86         public function getName() {
  87                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
  88         }
  89
  90         protected function getId() {
  91                 return array_search( $this->getName(), $this->parent->pageSequence );
  92         }
  93
  94         public function getVar( $var ) {
  95                 return $this->parent->getVar( $var );
  96         }
  97
  98         public function setVar( $name, $value ) {
  99                 $this->parent->setVar( $name, $value );
 100         }
 101
 102         /**
 103          * Get the starting tags of a fieldset.
 104          *
 105          * @param $legend String: message name
 106          */
 107         protected function getFieldsetStart( $legend ) {
 108                 return "\n<fieldset><legend>" . wfMsgHtml( $legend ) . "</legend>\n";
 109         }
 110
 111         /**
 112          * Get the end tag of a fieldset.
 113          */
 114         protected function getFieldsetEnd() {
 115                 return "</fieldset>\n";
 116         }
 117 }
 118
 119 class WebInstaller_Language extends WebInstallerPage {
 120
 121         public function execute() {
 122                 global $wgLang;
 123                 $r = $this->parent->request;
 124                 $userLang = $r->getVal( 'UserLang' );
 125                 $contLang = $r->getVal( 'ContLang' );
 126
 127                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 128                 if ( !$lifetime ) {
 129                         $lifetime = 1440; // PHP default
 130                 }
 131
 132                 if ( $r->wasPosted() ) {
 133                         # Do session test
 134                         if ( $this->parent->getSession( 'test' ) === null ) {
 135                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 136                                 if ( !$requestTime ) {
 137                                         // The most likely explanation is that the user was knocked back
 138                                         // from another page on POST due to session expiry
 139                                         $msg = 'config-session-expired';
 140                                 } elseif ( time() - $requestTime > $lifetime ) {
 141                                         $msg = 'config-session-expired';
 142                                 } else {
 143                                         $msg = 'config-no-session';
 144                                 }
 145                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 146                         } else {
 147                                 $languages = Language::getLanguageNames();
 148                                 if ( isset( $languages[$userLang] ) ) {
 149                                         $this->setVar( '_UserLang', $userLang );
 150                                 }
 151                                 if ( isset( $languages[$contLang] ) ) {
 152                                         $this->setVar( 'wgLanguageCode', $contLang );
 153                                 }
 154                                 return 'continue';
 155                         }
 156                 } elseif ( $this->parent->showSessionWarning ) {
 157                         # The user was knocked back from another page to the start
 158                         # This probably indicates a session expiry
 159                         $this->parent->showError( 'config-session-expired', $wgLang->formatTimePeriod( $lifetime ) );
 160                 }
 161
 162                 $this->parent->setSession( 'test', true );
 163
 164                 if ( !isset( $languages[$userLang] ) ) {
 165                         $userLang = $this->getVar( '_UserLang', 'en' );
 166                 }
 167                 if ( !isset( $languages[$contLang] ) ) {
 168                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 169                 }
 170                 $this->startForm();
 171                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 172                         $this->getLanguageSelector( 'UserLang', 'config-your-language', $userLang, $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 173                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang, $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 174                 $this->addHTML( $s );
 175                 $this->endForm( 'continue', false );
 176         }
 177
 178         /**
 179          * Get a <select> for selecting languages.
 180          */
 181         public function getLanguageSelector( $name, $label, $selectedCode ) {
 182                 global $wgDummyLanguageCodes;
 183                 $s = Html::openElement( 'select', array( 'id' => $name, 'name' => $name ) ) . "\n";
 184
 185                 $languages = Language::getLanguageNames();
 186                 ksort( $languages );
 187                 $dummies = array_flip( $wgDummyLanguageCodes );
 188                 foreach ( $languages as $code => $lang ) {
 189                         if ( isset( $dummies[$code] ) ) continue;
 190                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 191                 }
 192                 $s .= "\n</select>\n";
 193                 return $this->parent->label( $label, $name, $s );
 194         }
 195
 196 }
 197
 198 class WebInstaller_ExistingWiki extends WebInstallerPage {
 199         public function execute() {
 200                 // If there is no LocalSettings.php, continue to the installer welcome page
 201                 $vars = $this->parent->getExistingLocalSettings();
 202                 if ( !$vars ) {
 203                         return 'skip';
 204                 }
 205
 206                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 207                 if ( $vars['wgUpgradeKey'] !== false
 208                         && $this->getVar( '_UpgradeKeySupplied' )
 209                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 210                 {
 211                         // It's there, so the user is authorized
 212                         $status = $this->handleExistingUpgrade( $vars );
 213                         if ( $status->isOK() ) {
 214                                 return 'skip';
 215                         } else {
 216                                 $this->startForm();
 217                                 $this->parent->showStatusBox( $status );
 218                                 $this->endForm( 'continue' );
 219                                 return 'output';
 220                         }
 221                 }
 222
 223                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 224                 if ( $vars['wgUpgradeKey'] === false ) {
 225                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 226                                 $this->parent->generateUpgradeKey();
 227                                 $this->setVar( '_UpgradeKeySupplied', true );
 228                         }
 229                         $this->startForm();
 230                         $this->addHTML( $this->parent->getInfoBox(
 231                                 wfMsgNoTrans( 'config-upgrade-key-missing',
 232                                         "<pre>\$wgUpgradeKey = '" . $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )
 233                         ) );
 234                         $this->endForm( 'continue' );
 235                         return 'output';
 236                 }
 237
 238                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 239
 240                 $r = $this->parent->request;
 241                 if ( $r->wasPosted() ) {
 242                         $key = $r->getText( 'config_wgUpgradeKey' );
 243                         if( !$key || $key !== $vars['wgUpgradeKey'] ) {
 244                                 $this->parent->showError( 'config-localsettings-badkey' );
 245                                 $this->showKeyForm();
 246                                 return 'output';
 247                         }
 248                         // Key was OK
 249                         $status = $this->handleExistingUpgrade( $vars );
 250                         if ( $status->isOK() ) {
 251                                 return 'continue';
 252                         } else {
 253                                 $this->parent->showStatusBox( $status );
 254                                 $this->showKeyForm();
 255                                 return 'output';
 256                         }
 257                 } else {
 258                         $this->showKeyForm();
 259                         return 'output';
 260                 }
 261         }
 262
 263         /**
 264          * Show the "enter key" form
 265          */
 266         protected function showKeyForm() {
 267                 $this->startForm();
 268                 $this->addHTML(
 269                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-localsettings-upgrade' ) ).
 270                         '<br />' .
 271                         $this->parent->getTextBox( array(
 272                                 'var' => 'wgUpgradeKey',
 273                                 'label' => 'config-localsettings-key',
 274                                 'attribs' => array( 'autocomplete' => 'off' ),
 275                         ) )
 276                 );
 277                 $this->endForm( 'continue' );
 278         }
 279
 280         protected function importVariables( $names, $vars ) {
 281                 $status = Status::newGood();
 282                 foreach ( $names as $name ) {
 283                         if ( !isset( $vars[$name] ) ) {
 284                                 $status->fatal( 'config-localsettings-incomplete', $name );
 285                         }
 286                         $this->setVar( $name, $vars[$name] );
 287                 }
 288                 return $status;
 289         }
 290
 291         /**
 292          * Initiate an upgrade of the existing database
 293          * @param $vars Variables from LocalSettings.php and AdminSettings.php
 294          * @return Status
 295          */
 296         protected function handleExistingUpgrade( $vars ) {
 297                 // Check $wgDBtype
 298                 if ( !isset( $vars['wgDBtype'] ) || !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 299                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 300                 }
 301
 302                 // Set the relevant variables from LocalSettings.php
 303                 $requiredVars = array( 'wgDBtype' );
 304                 $status = $this->importVariables( $requiredVars , $vars );
 305                 $installer = $this->parent->getDBInstaller();
 306                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 307                 if ( !$status->isOK() ) {
 308                         return $status;
 309                 }
 310
 311                 if ( isset( $vars['wgDBadminuser'] ) ) {
 312                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 313                 } else {
 314                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 315                 }
 316                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 317                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 318                 } else {
 319                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 320                 }
 321
 322                 // Test the database connection
 323                 $status = $installer->getConnection();
 324                 if ( !$status->isOK() ) {
 325                         // Adjust the error message to explain things correctly
 326                         $status->replaceMessage( 'config-connection-error',
 327                                 'config-localsettings-connection-error' );
 328                         return $status;
 329                 }
 330
 331                 // All good
 332                 $this->setVar( '_ExistingDBSettings', true );
 333                 return $status;
 334         }
 335 }
 336
 337 class WebInstaller_Welcome extends WebInstallerPage {
 338
 339         public function execute() {
 340                 if ( $this->parent->request->wasPosted() ) {
 341                         if ( $this->getVar( '_Environment' ) ) {
 342                                 return 'continue';
 343                         }
 344                 }
 345                 $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
 346                 $status = $this->parent->doEnvironmentChecks();
 347                 if ( $status->isGood() ) {
 348                         $this->parent->output->addHTML( '<span class="success-message">' .
 349                                 wfMsgHtml( 'config-env-good' ) . '</span>' );
 350                         $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright',
 351                                 SpecialVersion::getCopyrightAndAuthorList() ) );
 352                         $this->startForm();
 353                         $this->endForm();
 354                 } else {
 355                         $this->parent->showStatusMessage( $status );
 356                 }
 357         }
 358
 359 }
 360
 361 class WebInstaller_DBConnect extends WebInstallerPage {
 362
 363         public function execute() {
 364                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 365                         return 'skip';
 366                 }
 367
 368                 $r = $this->parent->request;
 369                 if ( $r->wasPosted() ) {
 370                         $status = $this->submit();
 371                         if ( $status->isGood() ) {
 372                                 $this->setVar( '_UpgradeDone', false );
 373                                 return 'continue';
 374                         } else {
 375                                 $this->parent->showStatusBox( $status );
 376                         }
 377                 }
 378
 379                 $this->startForm();
 380
 381                 $types = "<ul class=\"config-settings-block\">\n";
 382                 $settings = '';
 383                 $defaultType = $this->getVar( 'wgDBtype' );
 384
 385                 $dbSupport = '';
 386                 foreach( $this->parent->getDBTypes() as $type ) {
 387                         $link = DatabaseBase::newFromType( $type )->getSoftwareLink();
 388                         $dbSupport .= wfMsgNoTrans( "config-support-$type", $link ) . "\n";
 389                 }
 390                 $this->addHTML( $this->parent->getInfoBox(
 391                         wfMsg( 'config-support-info', $dbSupport ) ) );
 392
 393                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 394                         $installer = $this->parent->getDBInstaller( $type );
 395                         $types .=
 396                                 '<li>' .
 397                                 Xml::radioLabel(
 398                                         $installer->getReadableName(),
 399                                         'DBType',
 400                                         $type,
 401                                         "DBType_$type",
 402                                         $type == $defaultType,
 403                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 404                                 ) .
 405                                 "</li>\n";
 406
 407                         $settings .=
 408                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
 409                                 Html::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
 410                                 $installer->getConnectForm() .
 411                                 "</div>\n";
 412                 }
 413                 $types .= "</ul><br clear=\"left\"/>\n";
 414
 415                 $this->addHTML(
 416                         $this->parent->label( 'config-db-type', false, $types ) .
 417                         $settings
 418                 );
 419
 420                 $this->endForm();
 421         }
 422
 423         public function submit() {
 424                 $r = $this->parent->request;
 425                 $type = $r->getVal( 'DBType' );
 426                 $this->setVar( 'wgDBtype', $type );
 427                 $installer = $this->parent->getDBInstaller( $type );
 428                 if ( !$installer ) {
 429                         return Status::newFatal( 'config-invalid-db-type' );
 430                 }
 431                 return $installer->submitConnectForm();
 432         }
 433
 434 }
 435
 436 class WebInstaller_Upgrade extends WebInstallerPage {
 437
 438         public function execute() {
 439                 if ( $this->getVar( '_UpgradeDone' ) ) {
 440                         // Allow regeneration of LocalSettings.php, unless we are working
 441                         // from a pre-existing LocalSettings.php file and we want to avoid
 442                         // leaking its contents
 443                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 444                                 // Done message acknowledged
 445                                 return 'continue';
 446                         } else {
 447                                 // Back button click
 448                                 // Show the done message again
 449                                 // Make them click back again if they want to do the upgrade again
 450                                 $this->showDoneMessage();
 451                                 return 'output';
 452                         }
 453                 }
 454
 455                 // wgDBtype is generally valid here because otherwise the previous page
 456                 // (connect) wouldn't have declared its happiness
 457                 $type = $this->getVar( 'wgDBtype' );
 458                 $installer = $this->parent->getDBInstaller( $type );
 459
 460                 if ( !$installer->needsUpgrade() ) {
 461                         return 'skip';
 462                 }
 463
 464                 if ( $this->parent->request->wasPosted() ) {
 465                         $installer->preUpgrade();
 466                         $this->addHTML(
 467                                 '<div id="config-spinner" style="display:none;"><img src="../skins/common/images/ajax-loader.gif" /></div>' .
 468                                 '<script>jQuery( "#config-spinner" )[0].style.display = "block";</script>' .
 469                                 '<textarea id="config-update-log" name="UpdateLog" rows="10" readonly="readonly">'
 470                         );
 471                         $this->parent->output->flush();
 472                         $result = $installer->doUpgrade();
 473                         $this->addHTML( '</textarea>
 474 <script>jQuery( "#config-spinner" )[0].style.display = "none";</script>' );
 475                         $this->parent->output->flush();
 476                         if ( $result ) {
 477                                 $this->setVar( '_UpgradeDone', true );
 478                                 $this->showDoneMessage();
 479                                 return 'output';
 480                         }
 481                 }
 482
 483                 $this->startForm();
 484                 $this->addHTML( $this->parent->getInfoBox(
 485                         wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
 486                 $this->endForm();
 487         }
 488
 489         public function showDoneMessage() {
 490                 $this->startForm();
 491                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 492                 if ( $regenerate ) {
 493                         $msg = 'config-upgrade-done';
 494                 } else {
 495                         $msg = 'config-upgrade-done-no-regenerate';
 496                 }
 497                 $this->parent->disableLinkPopups();
 498                 $this->addHTML(
 499                         $this->parent->getInfoBox(
 500                                 wfMsgNoTrans( $msg,
 501                                         $GLOBALS['wgServer'] .
 502                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 503                                                 $this->getVar( 'wgScriptExtension' )
 504                                 ), 'tick-32.png'
 505                         )
 506                 );
 507                 $this->parent->restoreLinkPopups();
 508                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 509         }
 510
 511 }
 512
 513 class WebInstaller_DBSettings extends WebInstallerPage {
 514
 515         public function execute() {
 516                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 517
 518                 $r = $this->parent->request;
 519                 if ( $r->wasPosted() ) {
 520                         $status = $installer->submitSettingsForm();
 521                         if ( $status === false ) {
 522                                 return 'skip';
 523                         } elseif ( $status->isGood() ) {
 524                                 return 'continue';
 525                         } else {
 526                                 $this->parent->showStatusBox( $status );
 527                         }
 528                 }
 529
 530                 $form = $installer->getSettingsForm();
 531                 if ( $form === false ) {
 532                         return 'skip';
 533                 }
 534
 535                 $this->startForm();
 536                 $this->addHTML( $form );
 537                 $this->endForm();
 538         }
 539
 540 }
 541
 542 class WebInstaller_Name extends WebInstallerPage {
 543
 544         public function execute() {
 545                 $r = $this->parent->request;
 546                 if ( $r->wasPosted() ) {
 547                         if ( $this->submit() ) {
 548                                 return 'continue';
 549                         }
 550                 }
 551
 552                 $this->startForm();
 553
 554                 if ( $this->getVar( 'wgSitename' ) == $GLOBALS['wgSitename'] ) {
 555                         $this->setVar( 'wgSitename', '' );
 556                 }
 557
 558                 // Set wgMetaNamespace to something valid before we show the form.
 559                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 560                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 561                 $this->setVar( 'wgMetaNamespace', wfMsgForContent( 'config-ns-other-default' ) );
 562
 563                 $this->addHTML(
 564                         $this->parent->getTextBox( array(
 565                                 'var' => 'wgSitename',
 566                                 'label' => 'config-site-name',
 567                           'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 568                         ) ) .
 569                         $this->parent->getRadioSet( array(
 570                                 'var' => '_NamespaceType',
 571                                 'label' => 'config-project-namespace',
 572                                 'itemLabelPrefix' => 'config-ns-',
 573                                 'values' => array( 'site-name', 'generic', 'other' ),
 574                                 'commonAttribs' => array( 'class' => 'enableForOther', 'rel' => 'config_wgMetaNamespace' ),
 575                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 576                         ) ) .
 577                         $this->parent->getTextBox( array(
 578                                 'var' => 'wgMetaNamespace',
 579                                 'label' => '', //TODO: Needs a label?
 580                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 581
 582                         ) ) .
 583                         $this->getFieldSetStart( 'config-admin-box' ) .
 584                         $this->parent->getTextBox( array(
 585                                 'var' => '_AdminName',
 586                                 'label' => 'config-admin-name',
 587                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 588                         ) ) .
 589                         $this->parent->getPasswordBox( array(
 590                                 'var' => '_AdminPassword',
 591                                 'label' => 'config-admin-password',
 592                         ) ) .
 593                         $this->parent->getPasswordBox( array(
 594                                 'var' => '_AdminPassword2',
 595                                 'label' => 'config-admin-password-confirm'
 596                         ) ) .
 597                         $this->parent->getTextBox( array(
 598                                 'var' => '_AdminEmail',
 599                                 'label' => 'config-admin-email',
 600                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 601                         ) ) .
 602                         $this->parent->getCheckBox( array(
 603                                 'var' => '_Subscribe',
 604                                 'label' => 'config-subscribe',
 605                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 606                         ) ) .
 607                         $this->getFieldSetEnd() .
 608                         $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
 609                         $this->parent->getRadioSet( array(
 610                                 'var' => '_SkipOptional',
 611                                 'itemLabelPrefix' => 'config-optional-',
 612                                 'values' => array( 'continue', 'skip' )
 613                         ) )
 614                 );
 615
 616                 // Restore the default value
 617                 $this->setVar( 'wgMetaNamespace', $metaNS );
 618
 619                 $this->endForm();
 620                 return 'output';
 621         }
 622
 623         public function submit() {
 624                 $retVal = true;
 625                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 626                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 627                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 628
 629                 // Validate site name
 630                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 631                         $this->parent->showError( 'config-site-name-blank' );
 632                         $retVal = false;
 633                 }
 634
 635                 // Fetch namespace
 636                 $nsType = $this->getVar( '_NamespaceType' );
 637                 if ( $nsType == 'site-name' ) {
 638                         $name = $this->getVar( 'wgSitename' );
 639                         // Sanitize for namespace
 640                         // This algorithm should match the JS one in WebInstallerOutput.php
 641                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 642                         $name = str_replace( '&', '&amp;', $name );
 643                         $name = preg_replace( '/__+/', '_', $name );
 644                         $name = ucfirst( trim( $name, '_' ) );
 645                 } elseif ( $nsType == 'generic' ) {
 646                         $name = wfMsg( 'config-ns-generic' );
 647                 } else { // other
 648                         $name = $this->getVar( 'wgMetaNamespace' );
 649                 }
 650
 651                 // Validate namespace
 652                 if ( strpos( $name, ':' ) !== false ) {
 653                         $good = false;
 654                 } else {
 655                         // Title-style validation
 656                         $title = Title::newFromText( $name );
 657                         if ( !$title ) {
 658                                 $good = $nsType == 'site-name';
 659                         } else {
 660                                 $name = $title->getDBkey();
 661                                 $good = true;
 662                         }
 663                 }
 664                 if ( !$good ) {
 665                         $this->parent->showError( 'config-ns-invalid', $name );
 666                         $retVal = false;
 667                 }
 668                 $this->setVar( 'wgMetaNamespace', $name );
 669
 670                 // Validate username for creation
 671                 $name = $this->getVar( '_AdminName' );
 672                 if ( strval( $name ) === '' ) {
 673                         $this->parent->showError( 'config-admin-name-blank' );
 674                         $cname = $name;
 675                         $retVal = false;
 676                 } else {
 677                         $cname = User::getCanonicalName( $name, 'creatable' );
 678                         if ( $cname === false ) {
 679                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 680                                 $retVal = false;
 681                         } else {
 682                                 $this->setVar( '_AdminName', $cname );
 683                         }
 684                 }
 685
 686                 // Validate password
 687                 $msg = false;
 688                 $valid = false;
 689                 $pwd = $this->getVar( '_AdminPassword' );
 690                 $user = User::newFromName( $cname );
 691                 $valid = $user && $user->getPasswordValidity( $pwd );
 692                 if ( strval( $pwd ) === '' ) {
 693                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 694                         # This message is more specific and helpful.
 695                         $msg = 'config-admin-password-blank';
 696                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 697                         $msg = 'config-admin-password-mismatch';
 698                 } elseif ( $valid !== true ) {
 699                         # As of writing this will only catch the username being e.g. 'FOO' and
 700                         # the password 'foo'
 701                         $msg = $valid;
 702                 }
 703                 if ( $msg !== false ) {
 704                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 705                         $this->setVar( '_AdminPassword', '' );
 706                         $this->setVar( '_AdminPassword2', '' );
 707                         $retVal = false;
 708                 }
 709
 710                 // Validate e-mail if provided
 711                 $email = $this->getVar( '_AdminEmail' );
 712                 if( $email && !User::isValidEmailAddr( $email ) ) {
 713                         $this->parent->showError( 'config-admin-error-bademail' );
 714                         $retVal = false;
 715                 }
 716
 717                 return $retVal;
 718         }
 719
 720 }
 721
 722 class WebInstaller_Options extends WebInstallerPage {
 723
 724         public function execute() {
 725                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 726                         return 'skip';
 727                 }
 728                 if ( $this->parent->request->wasPosted() ) {
 729                         if ( $this->submit() ) {
 730                                 return 'continue';
 731                         }
 732                 }
 733
 734                 $this->startForm();
 735                 $this->addHTML(
 736                         # User Rights
 737                         $this->parent->getRadioSet( array(
 738                                 'var' => '_RightsProfile',
 739                                 'label' => 'config-profile',
 740                                 'itemLabelPrefix' => 'config-profile-',
 741                                 'values' => array_keys( $this->parent->rightsProfiles ),
 742                         ) ) .
 743                         $this->parent->getHelpBox( 'config-profile-help' ) .
 744
 745                         # Licensing
 746                         $this->parent->getRadioSet( array(
 747                                 'var' => '_LicenseCode',
 748                                 'label' => 'config-license',
 749                                 'itemLabelPrefix' => 'config-license-',
 750                                 'values' => array_keys( $this->parent->licenses ),
 751                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 752                         ) ) .
 753                         $this->getCCChooser() .
 754                         $this->parent->getHelpBox( 'config-license-help' ) .
 755
 756                         # E-mail
 757                         $this->getFieldSetStart( 'config-email-settings' ) .
 758                         $this->parent->getCheckBox( array(
 759                                 'var' => 'wgEnableEmail',
 760                                 'label' => 'config-enable-email',
 761                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 762                         ) ) .
 763                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 764                         "<div id=\"emailwrapper\">" .
 765                         $this->parent->getTextBox( array(
 766                                 'var' => 'wgPasswordSender',
 767                                 'label' => 'config-email-sender'
 768                         ) ) .
 769                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 770                         $this->parent->getCheckBox( array(
 771                                 'var' => 'wgEnableUserEmail',
 772                                 'label' => 'config-email-user',
 773                         ) ) .
 774                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 775                         $this->parent->getCheckBox( array(
 776                                 'var' => 'wgEnotifUserTalk',
 777                                 'label' => 'config-email-usertalk',
 778                         ) ) .
 779                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 780                         $this->parent->getCheckBox( array(
 781                                 'var' => 'wgEnotifWatchlist',
 782                                 'label' => 'config-email-watchlist',
 783                         ) ) .
 784                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 785                         $this->parent->getCheckBox( array(
 786                                 'var' => 'wgEmailAuthentication',
 787                                 'label' => 'config-email-auth',
 788                         ) ) .
 789                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 790                         "</div>" .
 791                         $this->getFieldSetEnd()
 792                 );
 793
 794                 $extensions = $this->parent->findExtensions();
 795
 796                 if( $extensions ) {
 797                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 798
 799                         foreach( $extensions as $ext ) {
 800                                 $extHtml .= $this->parent->getCheckBox( array(
 801                                         'var' => "ext-$ext",
 802                                         'rawtext' => $ext,
 803                                 ) );
 804                         }
 805
 806                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 807                         $this->getFieldSetEnd();
 808                         $this->addHTML( $extHtml );
 809                 }
 810
 811                 // Having / in paths in Windows looks funny :)
 812                 $this->setVar( 'wgDeletedDirectory',
 813                         str_replace(
 814                                 '/', DIRECTORY_SEPARATOR,
 815                                 $this->getVar( 'wgDeletedDirectory' )
 816                         )
 817                 );
 818
 819                 $this->addHTML(
 820                         # Uploading
 821                         $this->getFieldSetStart( 'config-upload-settings' ) .
 822                         $this->parent->getCheckBox( array(
 823                                 'var' => 'wgEnableUploads',
 824                                 'label' => 'config-upload-enable',
 825                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 826                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 827                         ) ) .
 828                         '<div id="uploadwrapper" style="display: none;">' .
 829                         $this->parent->getTextBox( array(
 830                                 'var' => 'wgDeletedDirectory',
 831                                 'label' => 'config-upload-deleted',
 832                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 833                         ) ) .
 834                         '</div>' .
 835                         $this->parent->getTextBox( array(
 836                                 'var' => 'wgLogo',
 837                                 'label' => 'config-logo',
 838                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 839                         ) )
 840                 );
 841                 $this->addHTML(
 842                         $this->parent->getCheckBox( array(
 843                                 'var' => 'wgUseInstantCommons',
 844                                 'label' => 'config-instantcommons',
 845                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 846                         ) ) .
 847                         $this->getFieldSetEnd()
 848                 );
 849
 850                 $caches = array( 'none' );
 851                 if( count( $this->getVar( '_Caches' ) ) ) {
 852                         $caches[] = 'accel';
 853                 }
 854                 $caches[] = 'memcached';
 855
 856                 $this->addHTML(
 857                         # Advanced settings
 858                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 859                         # Object cache settings
 860                         $this->parent->getRadioSet( array(
 861                                 'var' => 'wgMainCacheType',
 862                                 'label' => 'config-cache-options',
 863                                 'itemLabelPrefix' => 'config-cache-',
 864                                 'values' => $caches,
 865                                 'value' => 'none',
 866                         ) ) .
 867                         $this->parent->getHelpBox( 'config-cache-help' ) .
 868                         '<div id="config-memcachewrapper">' .
 869                         $this->parent->getTextBox( array(
 870                                 'var' => '_MemCachedServers',
 871                                 'label' => 'config-memcached-servers',
 872                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
 873                         ) ) .
 874                         '</div>' .
 875                         $this->getFieldSetEnd()
 876                 );
 877                 $this->endForm();
 878         }
 879
 880         public function getCCPartnerUrl() {
 881                 global $wgServer;
 882                 $exitUrl = $wgServer . $this->parent->getUrl( array(
 883                         'page' => 'Options',
 884                         'SubmitCC' => 'indeed',
 885                         'config__LicenseCode' => 'cc',
 886                         'config_wgRightsUrl' => '[license_url]',
 887                         'config_wgRightsText' => '[license_name]',
 888                         'config_wgRightsIcon' => '[license_button]',
 889                 ) );
 890                 $styleUrl = $wgServer . dirname( dirname( $this->parent->getUrl() ) ) .
 891                         '/skins/common/config-cc.css';
 892                 $iframeUrl = 'http://creativecommons.org/license/?' .
 893                         wfArrayToCGI( array(
 894                                 'partner' => 'MediaWiki',
 895                                 'exit_url' => $exitUrl,
 896                                 'lang' => $this->getVar( '_UserLang' ),
 897                                 'stylesheet' => $styleUrl,
 898                         ) );
 899                 return $iframeUrl;
 900         }
 901
 902         public function getCCChooser() {
 903                 $iframeAttribs = array(
 904                         'class' => 'config-cc-iframe',
 905                         'name' => 'config-cc-iframe',
 906                         'id' => 'config-cc-iframe',
 907                         'frameborder' => 0,
 908                         'width' => '100%',
 909                         'height' => '100%',
 910                 );
 911                 if ( $this->getVar( '_CCDone' ) ) {
 912                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
 913                 } else {
 914                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
 915                 }
 916
 917                 return
 918                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"display: none;\">\n" .
 919                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
 920                         "</div>\n";
 921         }
 922
 923         public function getCCDoneBox() {
 924                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
 925                 // If you change this height, also change it in config.css
 926                 $expandJs = str_replace( '$1', '54em', $js );
 927                 $reduceJs = str_replace( '$1', '70px', $js );
 928                 return
 929                         '<p>'.
 930                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
 931                         '&#160;&#160;' .
 932                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
 933                         "</p>\n" .
 934                         "<p style=\"text-align: center\">" .
 935                         Html::element( 'a',
 936                                 array(
 937                                         'href' => $this->getCCPartnerUrl(),
 938                                         'onclick' => $expandJs,
 939                                 ),
 940                                 wfMsg( 'config-cc-again' )
 941                         ) .
 942                         "</p>\n" .
 943                         "<script type=\"text/javascript\">\n" .
 944                         # Reduce the wrapper div height
 945                         htmlspecialchars( $reduceJs ) .
 946                         "\n" .
 947                         "</script>\n";
 948         }
 949
 950         public function submitCC() {
 951                 $newValues = $this->parent->setVarsFromRequest(
 952                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
 953                 if ( count( $newValues ) != 3 ) {
 954                         $this->parent->showError( 'config-cc-error' );
 955                         return;
 956                 }
 957                 $this->setVar( '_CCDone', true );
 958                 $this->addHTML( $this->getCCDoneBox() );
 959         }
 960
 961         public function submit() {
 962                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
 963                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
 964                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
 965                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
 966                         'wgUseInstantCommons' ) );
 967
 968                 if ( !in_array( $this->getVar( '_RightsProfile' ),
 969                         array_keys( $this->parent->rightsProfiles ) ) )
 970                 {
 971                         reset( $this->parent->rightsProfiles );
 972                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
 973                 }
 974
 975                 $code = $this->getVar( '_LicenseCode' );
 976                 if ( $code == 'cc-choose' ) {
 977                         if ( !$this->getVar( '_CCDone' ) ) {
 978                                 $this->parent->showError( 'config-cc-not-chosen' );
 979                                 return false;
 980                         }
 981                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
 982                         $entry = $this->parent->licenses[$code];
 983                         if ( isset( $entry['text'] ) ) {
 984                                 $this->setVar( 'wgRightsText', $entry['text'] );
 985                         } else {
 986                                 $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
 987                         }
 988                         $this->setVar( 'wgRightsUrl', $entry['url'] );
 989                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
 990                 } else {
 991                         $this->setVar( 'wgRightsText', '' );
 992                         $this->setVar( 'wgRightsUrl', '' );
 993                         $this->setVar( 'wgRightsIcon', '' );
 994                 }
 995
 996                 $extsAvailable = $this->parent->findExtensions();
 997                 $extsToInstall = array();
 998                 foreach( $extsAvailable as $ext ) {
 999                         if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1000                                 $extsToInstall[] = $ext;
1001                         }
1002                 }
1003                 $this->parent->setVar( '_Extensions', $extsToInstall );
1004                 return true;
1005         }
1006
1007 }
1008
1009 class WebInstaller_Install extends WebInstallerPage {
1010
1011         public function execute() {
1012                 if( $this->getVar( '_UpgradeDone' ) ) {
1013                         return 'skip';
1014                 } elseif( $this->getVar( '_InstallDone' ) ) {
1015                         return 'continue';
1016                 } elseif( $this->parent->request->wasPosted() ) {
1017                         $this->startForm();
1018                         $this->addHTML("<ul>");
1019                         $results = $this->parent->performInstallation(
1020                                 array( $this, 'startStage'),
1021                                 array( $this, 'endStage' )
1022                         );
1023                         $this->addHTML("</ul>");
1024                         // PerformInstallation bails on a fatal, so make sure the last item
1025                         // completed before giving 'next.' Likewise, only provide back on failure
1026                         $lastStep = end( $results );
1027                         $continue = $lastStep->isOK() ? 'continue' : false;
1028                         $back = $lastStep->isOK() ? false : 'back';
1029                         $this->endForm( $continue, $back );
1030                 } else {
1031                         $this->startForm();
1032                         $this->addHTML( $this->parent->getInfoBox( wfMsgNoTrans( 'config-install-begin' ) ) );
1033                         $this->endForm();
1034                 }
1035                 return true;
1036         }
1037
1038         public function startStage( $step ) {
1039                 $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
1040         }
1041
1042         public function endStage( $step, $status ) {
1043                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1044                 $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
1045                 if ( !$status->isOk() ) {
1046                         $html = "<span class=\"error\">$html</span>";
1047                 }
1048                 $this->addHTML( $html . "</li>\n" );
1049                 if( !$status->isGood() ) {
1050                         $this->parent->showStatusBox( $status );
1051                 }
1052         }
1053
1054 }
1055
1056 class WebInstaller_Complete extends WebInstallerPage {
1057
1058         public function execute() {
1059                 // Pop up a dialog box, to make it difficult for the user to forget
1060                 // to download the file
1061                 $lsUrl = $GLOBALS['wgServer'] . $this->parent->getURL( array( 'localsettings' => 1 ) );
1062                 $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1063
1064                 $this->startForm();
1065                 $this->parent->disableLinkPopups();
1066                 $this->addHTML(
1067                         $this->parent->getInfoBox(
1068                                 wfMsgNoTrans( 'config-install-done',
1069                                         $lsUrl,
1070                                         $GLOBALS['wgServer'] .
1071                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1072                                                 $this->getVar( 'wgScriptExtension' ),
1073                                         '<downloadlink/>'
1074                                 ), 'tick-32.png'
1075                         )
1076                 );
1077                 $this->parent->restoreLinkPopups();
1078                 $this->endForm( false, false );
1079         }
1080 }
1081
1082 class WebInstaller_Restart extends WebInstallerPage {
1083
1084         public function execute() {
1085                 $r = $this->parent->request;
1086                 if ( $r->wasPosted() ) {
1087                         $really = $r->getVal( 'submit-restart' );
1088                         if ( $really ) {
1089                                 $this->parent->reset();
1090                         }
1091                         return 'continue';
1092                 }
1093
1094                 $this->startForm();
1095                 $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
1096                 $this->addHTML( $s );
1097                 $this->endForm( 'restart' );
1098         }
1099
1100 }
1101
1102 abstract class WebInstaller_Document extends WebInstallerPage {
1103
1104         protected abstract function getFileName();
1105
1106         public  function execute() {
1107                 $text = $this->getFileContents();
1108                 $text = $this->formatTextFile( $text );
1109                 $this->parent->output->addWikiText( $text );
1110                 $this->startForm();
1111                 $this->endForm( false );
1112         }
1113
1114         public  function getFileContents() {
1115                 return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
1116         }
1117
1118         protected function formatTextFile( $text ) {
1119                 // Use Unix line endings, escape some wikitext stuff
1120                 $text = str_replace( array( '<', '{{', '[[', "\r" ),
1121                         array( '&lt;', '&#123;&#123;', '&#91;&#91;', '' ), $text );
1122                 // join word-wrapped lines into one
1123                 do {
1124                         $prev = $text;
1125                         $text = preg_replace( "/\n([\\*#\t])([^\n]*?)\n([^\n#\\*:]+)/", "\n\\1\\2 \\3", $text );
1126                 } while ( $text != $prev );
1127                 // Replace tab indents with colons
1128                 $text = preg_replace( '/^\t\t/m', '::', $text );
1129                 $text = preg_replace( '/^\t/m', ':', $text );
1130                 // turn (bug nnnn) into links
1131                 $text = preg_replace_callback('/bug (\d+)/', array( $this, 'replaceBugLinks' ), $text );
1132                 // add links to manual to every global variable mentioned
1133                 $text = preg_replace_callback('/(\$wg[a-z0-9_]+)/i', array( $this, 'replaceConfigLinks' ), $text );
1134                 return $text;
1135         }
1136
1137         private function replaceBugLinks( $matches ) {
1138                 return '<span class="config-plainlink">[https://bugzilla.wikimedia.org/' .
1139                         $matches[1] . ' bug ' . $matches[1] . ']</span>';
1140         }
1141
1142         private function replaceConfigLinks( $matches ) {
1143                 return '<span class="config-plainlink">[http://www.mediawiki.org/wiki/Manual:' .
1144                         $matches[1] . ' ' . $matches[1] . ']</span>';
1145         }
1146
1147 }
1148
1149 class WebInstaller_Readme extends WebInstaller_Document {
1150         protected function getFileName() { return 'README'; }
1151 }
1152
1153 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1154         protected function getFileName() { return 'RELEASE-NOTES'; }
1155 }
1156
1157 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1158         protected function getFileName() { return 'UPGRADE'; }
1159 }
1160
1161 class WebInstaller_Copying extends WebInstaller_Document {
1162         protected function getFileName() { return 'COPYING'; }
1163 }
1164