includes/installer/WebInstaller.php

   1 <?php
   2
   3 class WebInstaller extends Installer {
   4         /** WebRequest object */
   5         var $request;
   6
   7         /** Cached session array */
   8         var $session;
   9
  10         /** Captured PHP error text. Temporary.
  11          */
  12         var $phpErrors;
  13
  14         /**
  15          * The main sequence of page names. These will be displayed in turn.
  16          * To add one:
  17          *    * Add it here
  18          *    * Add a config-page-<name> message
  19          *    * Add a WebInstaller_<name> class
  20          */
  21         var $pageSequence = array(
  22                 'Language',
  23                 'Welcome',
  24                 'DBConnect',
  25                 'Upgrade',
  26                 'DBSettings',
  27                 'Name',
  28                 'Options',
  29                 'Install',
  30                 'Complete',
  31         );
  32
  33         /**
  34          * Out of sequence pages, selectable by the user at any time
  35          */
  36         var $otherPages = array(
  37                 'Restart',
  38                 'Readme',
  39                 'ReleaseNotes',
  40                 'Copying',
  41                 'UpgradeDoc', // Can't use Upgrade due to Upgrade step
  42         );
  43
  44         /**
  45          * Array of pages which have declared that they have been submitted, have validated
  46          * their input, and need no further processing
  47          */
  48         var $happyPages;
  49
  50         /**
  51          * List of "skipped" pages. These are pages that will automatically continue
  52          * to the next page on any GET request. To avoid breaking the "back" button,
  53          * they need to be skipped during a back operation.
  54          */
  55         var $skippedPages;
  56
  57         /**
  58          * Flag indicating that session data may have been lost
  59          */
  60         var $showSessionWarning = false;
  61
  62         var $helpId = 0;
  63         var $tabIndex = 1;
  64
  65         var $currentPageName;
  66
  67         /** Constructor */
  68         function __construct( $request ) {
  69                 parent::__construct();
  70                 $this->output = new WebInstallerOutput( $this );
  71                 $this->request = $request;
  72         }
  73
  74         /**
  75          * Main entry point.
  76          * @param array $session Initial session array
  77          * @return array New session array
  78          */
  79         function execute( $session ) {
  80                 $this->session = $session;
  81                 if ( isset( $session['settings'] ) ) {
  82                         $this->settings = $session['settings'] + $this->settings;
  83                 }
  84                 $this->exportVars();
  85                 $this->setupLanguage();
  86
  87                 if ( isset( $session['happyPages'] ) ) {
  88                         $this->happyPages = $session['happyPages'];
  89                 } else {
  90                         $this->happyPages = array();
  91                 }
  92                 if ( isset( $session['skippedPages'] ) ) {
  93                         $this->skippedPages = $session['skippedPages'];
  94                 } else {
  95                         $this->skippedPages = array();
  96                 }
  97                 $lowestUnhappy = $this->getLowestUnhappy();
  98
  99                 # Special case for Creative Commons partner chooser box
 100                 if ( $this->request->getVal( 'SubmitCC' ) ) {
 101                         $page = $this->getPageByName( 'Options' );
 102                         $this->output->useShortHeader();
 103                         $page->submitCC();
 104                         return $this->finish();
 105                 }
 106                 if ( $this->request->getVal( 'ShowCC' ) ) {
 107                         $page = $this->getPageByName( 'Options' );
 108                         $this->output->useShortHeader();
 109                         $this->output->addHTML( $page->getCCDoneBox() );
 110                         return $this->finish();
 111                 }
 112
 113                 # Get the page name
 114                 $pageName = $this->request->getVal( 'page' );
 115
 116                 if ( in_array( $pageName, $this->otherPages ) ) {
 117                         # Out of sequence
 118                         $pageId = false;
 119                         $page = $this->getPageByName( $pageName );
 120                 } else {
 121                         # Main sequence
 122                         if ( !$pageName || !in_array( $pageName, $this->pageSequence ) ) {
 123                                 $pageId = $lowestUnhappy;
 124                         } else {
 125                                 $pageId = array_search( $pageName, $this->pageSequence );
 126                         }
 127
 128                         # If necessary, move back to the lowest-numbered unhappy page
 129                         if ( $pageId > $lowestUnhappy ) {
 130                                 $pageId = $lowestUnhappy;
 131                                 if ( $lowestUnhappy == 0 ) {
 132                                         # Knocked back to start, possible loss of session data
 133                                         $this->showSessionWarning = true;
 134                                 }
 135                         }
 136                         $pageName = $this->pageSequence[$pageId];
 137                         $page = $this->getPageByName( $pageName );
 138                 }
 139
 140                 # If a back button was submitted, go back without submitting the form data
 141                 if ( $this->request->wasPosted() && $this->request->getBool( 'submit-back' ) ) {
 142                         if ( $this->request->getVal( 'lastPage' ) ) {
 143                                 $nextPage = $this->request->getVal( 'lastPage' );
 144                         } elseif ( $pageId !== false ) {
 145                                 # Main sequence page
 146                                 # Skip the skipped pages
 147                                 $nextPageId = $pageId;
 148                                 do {
 149                                         $nextPageId--;
 150                                         $nextPage = $this->pageSequence[$nextPageId];
 151                                 } while( isset( $this->skippedPages[$nextPage] ) );
 152                         } else {
 153                                 $nextPage = $this->pageSequence[$lowestUnhappy];
 154                         }
 155                         $this->output->redirect( $this->getUrl( array( 'page' => $nextPage ) ) );
 156                         return $this->finish();
 157                 }
 158
 159                 # Execute the page
 160                 $this->currentPageName = $page->getName();
 161                 $this->startPageWrapper( $pageName );
 162                 $result = $page->execute();
 163                 $this->endPageWrapper();
 164
 165                 if ( $result == 'skip' ) {
 166                         # Page skipped without explicit submission
 167                         # Skip it when we click "back" so that we don't just go forward again
 168                         $this->skippedPages[$pageName] = true;
 169                         $result = 'continue';
 170                 } else {
 171                         unset( $this->skippedPages[$pageName] );
 172                 }
 173
 174                 # If it was posted, the page can request a continue to the next page
 175                 if ( $result === 'continue' && !$this->output->headerDone() ) {
 176                         if ( $pageId !== false ) {
 177                                 $this->happyPages[$pageId] = true;
 178                         }
 179                         $lowestUnhappy = $this->getLowestUnhappy();
 180
 181                         if ( $this->request->getVal( 'lastPage' ) ) {
 182                                 $nextPage = $this->request->getVal( 'lastPage' );
 183                         } elseif ( $pageId !== false ) {
 184                                 $nextPage = $this->pageSequence[$pageId + 1];
 185                         } else {
 186                                 $nextPage = $this->pageSequence[$lowestUnhappy];
 187                         }
 188                         if ( array_search( $nextPage, $this->pageSequence ) > $lowestUnhappy ) {
 189                                 $nextPage = $this->pageSequence[$lowestUnhappy];
 190                         }
 191                         $this->output->redirect( $this->getUrl( array( 'page' => $nextPage ) ) );
 192                 }
 193                 return $this->finish();
 194         }
 195
 196         function getLowestUnhappy() {
 197                 if ( count( $this->happyPages ) == 0 ) {
 198                         return 0;
 199                 } else {
 200                         return max( array_keys( $this->happyPages ) ) + 1;
 201                 }
 202         }
 203
 204         /**
 205          * Start the PHP session. This may be called before execute() to start the PHP session.
 206          */
 207         function startSession() {
 208                 $sessPath = $this->getSessionSavePath();
 209                 if( $sessPath != '' ) {
 210                         if( !is_dir( $sessPath ) || !is_writeable( $sessPath ) ) {
 211                                 $this->showError( 'config-session-path-bad', $sessPath );
 212                                 return false;
 213                         }
 214                 } else {
 215                         // If the path is unset it'll default to some system bit, which *probably* is ok...
 216                         // not sure how to actually get what will be used.
 217                 }
 218                 if( wfIniGetBool( 'session.auto_start' ) || session_id() ) {
 219                         // Done already
 220                         return true;
 221                 }
 222
 223                 $this->phpErrors = array();
 224                 set_error_handler( array( $this, 'errorHandler' ) );
 225                 session_start();
 226                 restore_error_handler();
 227                 if ( $this->phpErrors ) {
 228                         $this->showError( 'config-session-error', $this->phpErrors[0] );
 229                         return false;
 230                 }
 231                 return true;
 232         }
 233
 234         /**
 235          * Get the value of session.save_path
 236          *
 237          * Per http://www.php.net/manual/en/ref.session.php#ini.session.save-path,
 238          * this might have some additional preceding parts which need to be
 239          * ditched
 240          *
 241          * @return string
 242          */
 243         private function getSessionSavePath() {
 244                 $path = ini_get( 'session.save_path' );
 245                 $path = ltrim( substr( $path, strrpos( $path, ';' ) ), ';');
 246
 247                 return $path;
 248         }
 249
 250         /**
 251          * Show an error message in a box. Parameters are like wfMsg().
 252          */
 253         function showError( $msg /*...*/ ) {
 254                 $args = func_get_args();
 255                 array_shift( $args );
 256                 $args = array_map( 'htmlspecialchars', $args );
 257                 $msg = wfMsgReal( $msg, $args, false, false, false );
 258                 $this->output->addHTML( $this->getErrorBox( $msg ) );
 259         }
 260
 261         /**
 262          * Temporary error handler for session start debugging
 263          */
 264         function errorHandler( $errno, $errstr ) {
 265                 $this->phpErrors[] = $errstr;
 266         }
 267
 268         /**
 269          * Clean up from execute()
 270          * @private.
 271          */
 272         function finish() {
 273                 $this->output->output();
 274                 $this->session['happyPages'] = $this->happyPages;
 275                 $this->session['skippedPages'] = $this->skippedPages;
 276                 $this->session['settings'] = $this->settings;
 277                 return $this->session;
 278         }
 279
 280         /**
 281          * Get a URL for submission back to the same script
 282          */
 283         function getUrl( $query = array() ) {
 284                 $url = $this->request->getRequestURL();
 285                 # Remove existing query
 286                 $url = preg_replace( '/\?.*$/', '', $url );
 287                 if ( $query ) {
 288                         $url .= '?' . wfArrayToCGI( $query );
 289                 }
 290                 return $url;
 291         }
 292
 293         /**
 294          * Get a WebInstallerPage from the main sequence, by ID
 295          */
 296         function getPageById( $id ) {
 297                 $pageName = $this->pageSequence[$id];
 298                 $pageClass = 'WebInstaller_' . $pageName;
 299                 return new $pageClass( $this );
 300         }
 301
 302         /**
 303          * Get a WebInstallerPage by name
 304          */
 305         function getPageByName( $pageName ) {
 306                 $pageClass = 'WebInstaller_' . $pageName;
 307                 return new $pageClass( $this );
 308         }
 309
 310         /**
 311          * Get a session variable
 312          */
 313         function getSession( $name, $default = null ) {
 314                 if ( !isset( $this->session[$name] ) ) {
 315                         return $default;
 316                 } else {
 317                         return $this->session[$name];
 318                 }
 319         }
 320
 321         /**
 322          * Set a session variable
 323          */
 324         function setSession( $name, $value ) {
 325                 $this->session[$name] = $value;
 326         }
 327
 328         /**
 329          * Get the next tabindex attribute value
 330          */
 331         function nextTabIndex() {
 332                 return $this->tabIndex++;
 333         }
 334
 335         /**
 336          * Initializes language-related variables
 337          */
 338         function setupLanguage() {
 339                 global $wgLang, $wgContLang, $wgLanguageCode;
 340                 if ( $this->getSession( 'test' ) === null && !$this->request->wasPosted() ) {
 341                         $wgLanguageCode = $this->getAcceptLanguage();
 342                         $wgLang = $wgContLang = Language::factory( $wgLanguageCode );
 343                         $this->setVar( 'wgLanguageCode', $wgLanguageCode );
 344                         $this->setVar( '_UserLang', $wgLanguageCode );
 345                 } else {
 346                         $wgLanguageCode = $this->getVar( 'wgLanguageCode' );
 347                         $wgLang = Language::factory( $this->getVar( '_UserLang' ) );
 348                         $wgContLang = Language::factory( $wgLanguageCode );
 349                 }
 350         }
 351
 352         /**
 353          * Retrieves MediaWiki language from Accept-Language HTTP header
 354          */
 355         function getAcceptLanguage() {
 356                 global $wgLanguageCode;
 357
 358                 $mwLanguages = Language::getLanguageNames();
 359                 $langs = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
 360                 foreach ( explode( ';', $langs ) as $splitted ) {
 361                         foreach ( explode( ',', $splitted ) as $lang ) {
 362                                 $lang = trim( strtolower( $lang ) );
 363                                 if ( $lang == '' || $lang[0] == 'q' ) {
 364                                         continue;
 365                                 }
 366                                 if ( isset( $mwLanguages[$lang] ) ) {
 367                                         return $lang;
 368                                 }
 369                                 $lang = preg_replace( '/^(.*?)(?=-[^-]*)$/', '\\1', $lang );
 370                                 if ( $lang != '' && isset( $mwLanguages[$lang] ) ) {
 371                                         return $lang;
 372                                 }
 373                         }
 374                 }
 375                 return $wgLanguageCode;
 376         }
 377
 378         /**
 379          * Called by execute() before page output starts, to show a page list
 380          */
 381         function startPageWrapper( $currentPageName ) {
 382                 $s = "<div class=\"config-page-wrapper\">\n" .
 383                         "<div class=\"config-page-list\"><ul>\n";
 384                 $lastHappy = -1;
 385                 foreach ( $this->pageSequence as $id => $pageName ) {
 386                         $happy = !empty( $this->happyPages[$id] );
 387                         $s .= $this->getPageListItem( $pageName,
 388                                 $happy || $lastHappy == $id - 1, $currentPageName );
 389                         if ( $happy ) {
 390                                 $lastHappy = $id;
 391                         }
 392                 }
 393                 $s .= "</ul><br/><ul>\n";
 394                 foreach ( $this->otherPages as $pageName ) {
 395                         $s .= $this->getPageListItem( $pageName, true, $currentPageName );
 396                 }
 397                 $s .= "</ul></div>\n". // end list pane
 398                         "<div class=\"config-page\">\n" .
 399                         Xml::element( 'h2', array(),
 400                                 wfMsg( 'config-page-' . strtolower( $currentPageName ) ) );
 401
 402                 $this->output->addHTMLNoFlush( $s );
 403         }
 404
 405         /**
 406          * Get a list item for the page list
 407          */
 408         function getPageListItem( $pageName, $enabled, $currentPageName ) {
 409                 $s = "<li class=\"config-page-list-item\">";
 410                 $name = wfMsg( 'config-page-' . strtolower( $pageName ) );
 411                 if ( $enabled ) {
 412                         $query = array( 'page' => $pageName );
 413                         if ( !in_array( $pageName, $this->pageSequence ) ) {
 414                                 if ( in_array( $currentPageName, $this->pageSequence ) ) {
 415                                         $query['lastPage'] = $currentPageName;
 416                                 }
 417                                 $link = Xml::element( 'a',
 418                                         array(
 419                                                 'href' => $this->getUrl( $query )
 420                                         ),
 421                                         $name
 422                                 );
 423                         } else {
 424                                 $link = htmlspecialchars( $name );
 425                         }
 426                         if ( $pageName == $currentPageName ) {
 427                                 $s .= "<span class=\"config-page-current\">$link</span>";
 428                         } else {
 429                                 $s .= $link;
 430                         }
 431                 } else {
 432                         $s .= Xml::element( 'span',
 433                                 array(
 434                                         'class' => 'config-page-disabled'
 435                                 ),
 436                                 $name
 437                         );
 438                 }
 439                 $s .= "</li>\n";
 440                 return $s;
 441         }
 442
 443         /**
 444          * Output some stuff after a page is finished
 445          */
 446         function endPageWrapper() {
 447                 $this->output->addHTMLNoFlush(
 448                         "</div>\n" .
 449                         "<br style=\"clear:both\"/>\n" .
 450                         "</div>" );
 451         }
 452
 453         /**
 454          * Get HTML for an error box with an icon
 455          * @param string $text Wikitext, get this with wfMsgNoTrans()
 456          */
 457         function getErrorBox( $text ) {
 458                 return $this->getInfoBox( $text, 'critical-32.png', 'config-error-box' );
 459         }
 460
 461         /**
 462          * Get HTML for a warning box with an icon
 463          * @param string $text Wikitext, get this with wfMsgNoTrans()
 464          */
 465         function getWarningBox( $text ) {
 466                 return $this->getInfoBox( $text, 'warning-32.png', 'config-warning-box' );
 467         }
 468
 469         /**
 470          * Get HTML for an info box with an icon
 471          * @param string $text Wikitext, get this with wfMsgNoTrans()
 472          * @param string $icon Icon name, file in skins/common/images
 473          * @param string $class Additional class name to add to the wrapper div
 474          */
 475         function getInfoBox( $text, $icon = 'info-32.png', $class = false ) {
 476                 $s =
 477                         "<div class=\"config-info $class\">\n" .
 478                                 "<div class=\"config-info-left\">\n" .
 479                                 Xml::element( 'img',
 480                                         array(
 481                                                 'src' => '../skins/common/images/' . $icon,
 482                                                 'alt' => wfMsg( 'config-information' ),
 483                                         )
 484                                 ) . "\n" .
 485                                 "</div>\n" .
 486                                 "<div class=\"config-info-right\">\n" .
 487                                         $this->parse( $text ) . "\n" .
 488                                 "</div>\n" .
 489                                 "<div style=\"clear: left;\"></div>\n" .
 490                         "</div>\n";
 491                 return $s;
 492         }
 493
 494         /**
 495          * Get small text indented help for a preceding form field.
 496          * Parameters like wfMsg().
 497          */
 498         function getHelpBox( $msg /*, ... */ ) {
 499                 $args = func_get_args();
 500                 array_shift( $args );
 501                 $args = array_map( 'htmlspecialchars', $args );
 502                 $text = wfMsgReal( $msg, $args, false, false, false );
 503                 $html = $this->parse( $text, true );
 504                 $id = $this->helpId++;
 505                 $alt = wfMsg( 'help' );
 506
 507                 return
 508                         "<div class=\"config-help-wrapper\">\n" .
 509                         "<div class=\"config-help-message\">\n" .
 510                          $html .
 511                         "</div>\n" .
 512                         "<div class=\"config-show-help\">\n" .
 513                         "<a href=\"#\">" .
 514                         wfMsgHtml( 'config-show-help' ) .
 515                         "</a></div>\n" .
 516                         "<div class=\"config-hide-help\">\n" .
 517                         "<a href=\"#\">" .
 518                         wfMsgHtml( 'config-hide-help' ) .
 519                         "</a></div>\n</div>\n";
 520         }
 521
 522         /**
 523          * Output a help box
 524          */
 525         function showHelpBox( $msg /*, ... */ ) {
 526                 $args = func_get_args();
 527                 $html = call_user_func_array( array( $this, 'getHelpBox' ), $args );
 528                 $this->output->addHTML( $html );
 529         }
 530
 531         /**
 532          * Show a short informational message
 533          * Output looks like a list.
 534          */
 535         function showMessage( $msg /*, ... */ ) {
 536                 $args = func_get_args();
 537                 array_shift( $args );
 538                 $html = '<div class="config-message">' .
 539                         $this->parse( wfMsgReal( $msg, $args, false, false, false ) ) .
 540                         "</div>\n";
 541                 $this->output->addHTML( $html );
 542         }
 543
 544         /**
 545          * Label a control by wrapping a config-input div around it and putting a
 546          * label before it
 547          */
 548         function label( $msg, $forId, $contents ) {
 549                 if ( strval( $msg ) == '' ) {
 550                         $labelText = '&nbsp;';
 551                 } else {
 552                         $labelText = wfMsgHtml( $msg );
 553                 }
 554                 $attributes = array( 'class' => 'config-label' );
 555                 if ( $forId ) {
 556                         $attributes['for'] = $forId;
 557                 }
 558                 return
 559                         "<div class=\"config-input\">\n" .
 560                         Xml::tags( 'label',
 561                                 $attributes,
 562                                 $labelText ) . "\n" .
 563                         $contents .
 564                         "</div>\n";
 565         }
 566
 567         /**
 568          * Get a labelled text box to configure a variable
 569          * @param array $params
 570          *    Parameters are:
 571          *      var:        The variable to be configured (required)
 572          *      label:      The message name for the label (required)
 573          *      attribs:    Additional attributes for the input element (optional)
 574          *      controlName: The name for the input element (optional)
 575          *      value:      The current value of the variable (optional)
 576          */
 577         function getTextBox( $params ) {
 578                 if ( !isset( $params['controlName'] ) ) {
 579                         $params['controlName'] = 'config_' . $params['var'];
 580                 }
 581                 if ( !isset( $params['value'] ) ) {
 582                         $params['value'] = $this->getVar( $params['var'] );
 583                 }
 584                 if ( !isset( $params['attribs'] ) ) {
 585                         $params['attribs'] = array();
 586                 }
 587                 return
 588                         $this->label(
 589                                 $params['label'],
 590                                 $params['controlName'],
 591                                 Xml::input(
 592                                         $params['controlName'],
 593                                         30, // intended to be overridden by CSS
 594                                         $params['value'],
 595                                         $params['attribs'] + array(
 596                                                 'id' => $params['controlName'],
 597                                                 'class' => 'config-input-text',
 598                                                 'tabindex' => $this->nextTabIndex()
 599                                         )
 600                                 )
 601                         );
 602         }
 603
 604         /**
 605          * Get a labelled password box to configure a variable
 606          * Implements password hiding
 607          * @param array $params
 608          *    Parameters are:
 609          *      var:        The variable to be configured (required)
 610          *      label:      The message name for the label (required)
 611          *      attribs:    Additional attributes for the input element (optional)
 612          *      controlName: The name for the input element (optional)
 613          *      value:      The current value of the variable (optional)
 614          */
 615         function getPasswordBox( $params ) {
 616                 if ( !isset( $params['value'] ) ) {
 617                         $params['value'] = $this->getVar( $params['var'] );
 618                 }
 619                 if ( !isset( $params['attribs'] ) ) {
 620                         $params['attribs'] = array();
 621                 }
 622                 $params['value'] = $this->getFakePassword( $params['value'] );
 623                 $params['attribs']['type'] = 'password';
 624                 return $this->getTextBox( $params );
 625         }
 626
 627         /**
 628          * Get a labelled checkbox to configure a boolean variable
 629          * @param array $params
 630          *    Parameters are:
 631          *      var:        The variable to be configured (required)
 632          *      label:      The message name for the label (required)
 633          *      attribs:    Additional attributes for the input element (optional)
 634          *      controlName: The name for the input element (optional)
 635          *      value:      The current value of the variable (optional)
 636          */
 637         function getCheckBox( $params ) {
 638                 if ( !isset( $params['controlName'] ) ) {
 639                         $params['controlName'] = 'config_' . $params['var'];
 640                 }
 641                 if ( !isset( $params['value'] ) ) {
 642                         $params['value'] = $this->getVar( $params['var'] );
 643                 }
 644                 if ( !isset( $params['attribs'] ) ) {
 645                         $params['attribs'] = array();
 646                 }
 647                 if( isset( $params['rawtext'] ) ) {
 648                         $labelText = $params['rawtext'];
 649                 } else {
 650                         $labelText = $this->parse( wfMsg( $params['label'] ) );
 651                 }
 652                 return
 653                         "<div class=\"config-input-check\">\n" .
 654                         "<label>\n" .
 655                         Xml::check(
 656                                 $params['controlName'],
 657                                 $params['value'],
 658                                 $params['attribs'] + array(
 659                                         'id' => $params['controlName'],
 660                                         'class' => 'config-input-text',
 661                                         'tabindex' => $this->nextTabIndex(),
 662                                 )
 663                         ) .
 664                         $labelText . "\n" .
 665                         "</label>\n" .
 666                         "</div>\n";
 667         }
 668
 669         /**
 670          * Get a set of labelled radio buttons
 671          *
 672          * @param array $params
 673          *    Parameters are:
 674          *      var:            The variable to be configured (required)
 675          *      label:          The message name for the label (required)
 676          *      itemLabelPrefix: The message name prefix for the item labels (required)
 677          *      values:         List of allowed values (required)
 678          *      itemAttribs     Array of attribute arrays, outer key is the value name (optional)
 679          *      commonAttribs   Attribute array applied to all items
 680          *      controlName:    The name for the input element (optional)
 681          *      value:          The current value of the variable (optional)
 682          */
 683         function getRadioSet( $params ) {
 684                 if ( !isset( $params['controlName']  ) ) {
 685                         $params['controlName'] = 'config_' . $params['var'];
 686                 }
 687                 if ( !isset( $params['value'] ) ) {
 688                         $params['value'] = $this->getVar( $params['var'] );
 689                 }
 690                 if ( !isset( $params['label'] ) ) {
 691                         $label = '';
 692                 } else {
 693                         $label = $this->parse( wfMsgNoTrans( $params['label'] ) );
 694                 }
 695                 $s = "<label class=\"config-label\">\n" .
 696                         $label .
 697                         "</label>\n" .
 698                         "<ul class=\"config-settings-block\">\n";
 699                 foreach ( $params['values'] as $value ) {
 700                         $itemAttribs = array();
 701                         if ( isset( $params['commonAttribs'] ) ) {
 702                                 $itemAttribs = $params['commonAttribs'];
 703                         }
 704                         if ( isset( $params['itemAttribs'][$value] ) ) {
 705                                 $itemAttribs = $params['itemAttribs'][$value] + $itemAttribs;
 706                         }
 707                         $checked = $value == $params['value'];
 708                         $id = $params['controlName'] . '_' . $value;
 709                         $itemAttribs['id'] = $id;
 710                         $itemAttribs['tabindex'] = $this->nextTabIndex();
 711                         $s .=
 712                                 '<li>' .
 713                                 Xml::radio( $params['controlName'], $value, $checked, $itemAttribs ) .
 714                                 '&nbsp;' .
 715                                 Xml::tags( 'label', array( 'for' => $id ), $this->parse(
 716                                         wfMsgNoTrans( $params['itemLabelPrefix'] . strtolower( $value ) )
 717                                 ) ) .
 718                                 "</li>\n";
 719                 }
 720                 $s .= "</ul>\n";
 721                 return $s;
 722         }
 723
 724         /**
 725          * Output an error box using a Status object
 726          */
 727         function showStatusErrorBox( $status ) {
 728                 $text = $status->getWikiText();
 729                 $this->output->addHTML( $this->getErrorBox( $text ) );
 730         }
 731
 732         function showStatusError( $status ) {
 733                 $text = $status->getWikiText();
 734                 $this->output->addWikiText(
 735                         "<div class=\"config-message\">\n" .
 736                         $text .
 737                         "</div>"
 738                 );
 739         }
 740
 741         /**
 742          * Convenience function to set variables based on form data.
 743          * Assumes that variables containing "password" in the name are (potentially
 744          * fake) passwords.
 745          * @param array $varNames
 746          * @param string $prefix The prefix added to variables to obtain form names
 747          */
 748         function setVarsFromRequest( $varNames, $prefix = 'config_' ) {
 749                 $newValues = array();
 750                 foreach ( $varNames as $name ) {
 751                         $value = trim( $this->request->getVal( $prefix . $name ) );
 752                         $newValues[$name] = $value;
 753                         if ( $value === null ) {
 754                                 // Checkbox?
 755                                 $this->setVar( $name, false );
 756                         } else {
 757                                 if ( stripos( $name, 'password' ) !== false ) {
 758                                         $this->setPassword( $name, $value );
 759                                 } else {
 760                                         $this->setVar( $name, $value );
 761                                 }
 762                         }
 763                 }
 764                 return $newValues;
 765         }
 766
 767         /**
 768          * Get the starting tags of a fieldset
 769          * @param string $legend Message name
 770          */
 771         function getFieldsetStart( $legend ) {
 772                 return "\n<fieldset><legend>" . wfMsgHtml( $legend ) . "</legend>\n";
 773         }
 774
 775         /**
 776          * Get the end tag of a fieldset
 777          */
 778         function getFieldsetEnd() {
 779                 return "</fieldset>\n";
 780         }
 781
 782         /**
 783          * Helper for Installer::docLink()
 784          */
 785         function getDocUrl( $page ) {
 786                 $url = "{$_SERVER['PHP_SELF']}?page=" . urlencode( $page );
 787                 if ( in_array( $this->currentPageName, $this->pageSequence ) ) {
 788                         $url .= '&lastPage=' . urlencode( $this->currentPageName );
 789                 }
 790                 return $url;
 791         }
 792 }
 793
 794 class WebInstallerPage {
 795         function __construct( $parent ) {
 796                 $this->parent = $parent;
 797         }
 798
 799         function addHTML( $html ) {
 800                 $this->parent->output->addHTML( $html );
 801         }
 802
 803         function startForm() {
 804                 $this->addHTML(
 805                         "<div class=\"config-section\">\n" .
 806                         Xml::openElement(
 807                                 'form',
 808                                 array(
 809                                         'method' => 'post',
 810                                         'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
 811                                 )
 812                         ) . "\n"
 813                 );
 814         }
 815
 816         function endForm( $continue = 'continue' ) {
 817                 $this->parent->output->outputWarnings();
 818                 $s = "<div class=\"config-submit\">\n";
 819                 $id = $this->getId();
 820                 if ( $id === false ) {
 821                         $s .= Xml::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
 822                 }
 823                 if ( $continue ) {
 824                         // Fake submit button for enter keypress
 825                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
 826                                 array( 'name' => "enter-$continue", 'style' => 'display:none' ) ) . "\n";
 827                 }
 828                 if ( $id !== 0 ) {
 829                         $s .= Xml::submitButton( wfMsg( 'config-back' ),
 830                                 array(
 831                                         'name' => 'submit-back',
 832                                         'tabindex' => $this->parent->nextTabIndex()
 833                                 ) ) . "\n";
 834                 }
 835                 if ( $continue ) {
 836                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
 837                                 array(
 838                                         'name' => "submit-$continue",
 839                                         'tabindex' => $this->parent->nextTabIndex(),
 840                                 ) ) . "\n";
 841                 }
 842                 $s .= "</div></form></div>\n";
 843                 $this->addHTML( $s );
 844         }
 845
 846         function getName() {
 847                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
 848         }
 849
 850         function getId() {
 851                 return array_search( $this->getName(), $this->parent->pageSequence );
 852         }
 853
 854         function execute() {
 855                 if ( $this->parent->request->wasPosted() ) {
 856                         return 'continue';
 857                 } else {
 858                         $this->startForm();
 859                         $this->addHTML( 'Mockup' );
 860                         $this->endForm();
 861                 }
 862         }
 863
 864         function getVar( $var ) {
 865                 return $this->parent->getVar( $var );
 866         }
 867
 868         function setVar( $name, $value ) {
 869                 $this->parent->setVar( $name, $value );
 870         }
 871 }
 872
 873 class WebInstaller_Language extends WebInstallerPage {
 874         function execute() {
 875                 global $wgLang;
 876                 $r = $this->parent->request;
 877                 $userLang = $r->getVal( 'UserLang' );
 878                 $contLang = $r->getVal( 'ContLang' );
 879
 880                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 881                 if ( !$lifetime ) {
 882                         $lifetime = 1440; // PHP default
 883                 }
 884
 885                 if ( $r->wasPosted() ) {
 886                         # Do session test
 887                         if ( $this->parent->getSession( 'test' ) === null ) {
 888                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 889                                 if ( !$requestTime ) {
 890                                         // The most likely explanation is that the user was knocked back
 891                                         // from another page on POST due to session expiry
 892                                         $msg = 'config-session-expired';
 893                                 } elseif ( time() - $requestTime > $lifetime ) {
 894                                         $msg = 'config-session-expired';
 895                                 } else {
 896                                         $msg = 'config-no-session';
 897                                 }
 898                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 899                         } else {
 900                                 $languages = Language::getLanguageNames();
 901                                 if ( isset( $languages[$userLang] ) ) {
 902                                         $this->setVar( '_UserLang', $userLang );
 903                                 }
 904                                 if ( isset( $languages[$contLang] ) ) {
 905                                         $this->setVar( 'wgLanguageCode', $contLang );
 906                                         if ( $this->getVar( '_AdminName' ) === null ) {
 907                                                 // Load localised sysop username in *content* language
 908                                                 $this->setVar( '_AdminName', wfMsgForContent( 'config-admin-default-username' ) );
 909                                         }
 910                                 }
 911                                 return 'continue';
 912                         }
 913                 } elseif ( $this->parent->showSessionWarning ) {
 914                         # The user was knocked back from another page to the start
 915                         # This probably indicates a session expiry
 916                         $this->parent->showError( 'config-session-expired', $wgLang->formatTimePeriod( $lifetime ) );
 917                 }
 918
 919                 $this->parent->setSession( 'test', true );
 920
 921                 if ( !isset( $languages[$userLang] ) ) {
 922                         $userLang = $this->getVar( '_UserLang', 'en' );
 923                 }
 924                 if ( !isset( $languages[$contLang] ) ) {
 925                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 926                 }
 927                 $this->startForm();
 928                 $s =
 929                         Xml::hidden( 'LanguageRequestTime', time() ) .
 930                         $this->getLanguageSelector( 'UserLang', 'config-your-language', $userLang ) .
 931                         $this->parent->getHelpBox( 'config-your-language-help' ) .
 932                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang ) .
 933                         $this->parent->getHelpBox( 'config-wiki-language-help' );
 934
 935
 936                 $this->addHTML( $s );
 937                 $this->endForm();
 938         }
 939
 940         /**
 941          * Get a <select> for selecting languages
 942          */
 943         function getLanguageSelector( $name, $label, $selectedCode ) {
 944                 global $wgDummyLanguageCodes;
 945                 $s = Xml::openElement( 'select', array( 'id' => $name, 'name' => $name ) ) . "\n";
 946
 947                 $languages = Language::getLanguageNames();
 948                 ksort( $languages );
 949                 $dummies = array_flip( $wgDummyLanguageCodes );
 950                 foreach ( $languages as $code => $lang ) {
 951                         if ( isset( $dummies[$code] ) ) continue;
 952                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 953                 }
 954                 $s .= "\n</select>\n";
 955                 return $this->parent->label( $label, $name, $s );
 956         }
 957 }
 958
 959 class WebInstaller_Welcome extends WebInstallerPage {
 960         function execute() {
 961                 if ( $this->parent->request->wasPosted() ) {
 962                         if ( $this->getVar( '_Environment' ) ) {
 963                                 return 'continue';
 964                         }
 965                 }
 966                 $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
 967                 $status = $this->parent->doEnvironmentChecks();
 968                 if ( $status ) {
 969                         $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright', wfMsg( 'config-authors' ) ) );
 970                         $this->startForm();
 971                         $this->endForm();
 972                 }
 973         }
 974 }
 975
 976 class WebInstaller_DBConnect extends WebInstallerPage {
 977         function execute() {
 978                 $r = $this->parent->request;
 979                 if ( $r->wasPosted() ) {
 980                         $status = $this->submit();
 981                         if ( $status->isGood() ) {
 982                                 $this->setVar( '_UpgradeDone', false );
 983                                 return 'continue';
 984                         } else {
 985                                 $this->parent->showStatusErrorBox( $status );
 986                         }
 987                 }
 988
 989
 990                 $this->startForm();
 991
 992                 $types = "<ul class=\"config-settings-block\">\n";
 993                 $settings = '';
 994                 $defaultType = $this->getVar( 'wgDBtype' );
 995                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 996                         $installer = $this->parent->getDBInstaller( $type );
 997                         $types .=
 998                                 '<li>' .
 999                                 Xml::radioLabel(
1000                                         $installer->getReadableName(),
1001                                         'DBType',
1002                                         $type,
1003                                         "DBType_$type",
1004                                         $type == $defaultType,
1005                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
1006                                 ) .
1007                                 "</li>\n";
1008
1009                         $settings .=
1010                                 Xml::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
1011                                 Xml::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
1012                                 $installer->getConnectForm() .
1013                                 "</div>\n";
1014                 }
1015                 $types .= "</ul><br clear=\"left\"/>\n";
1016
1017                 $this->addHTML(
1018                         $this->parent->label( 'config-db-type', false, $types ) .
1019                         $settings
1020                 );
1021
1022                 $this->endForm();
1023         }
1024
1025         function submit() {
1026                 $r = $this->parent->request;
1027                 $type = $r->getVal( 'DBType' );
1028                 $this->setVar( 'wgDBtype', $type );
1029                 $installer = $this->parent->getDBInstaller( $type );
1030                 if ( !$installer ) {
1031                         return Status::newFatal( 'config-invalid-db-type' );
1032                 }
1033                 return $installer->submitConnectForm();
1034         }
1035 }
1036
1037 class WebInstaller_Upgrade extends WebInstallerPage {
1038         function execute() {
1039                 if ( $this->getVar( '_UpgradeDone' ) ) {
1040                         if ( $this->parent->request->wasPosted() ) {
1041                                 // Done message acknowledged
1042                                 return 'continue';
1043                         } else {
1044                                 // Back button click
1045                                 // Show the done message again
1046                                 // Make them click back again if they want to do the upgrade again
1047                                 $this->showDoneMessage();
1048                                 return 'output';
1049                         }
1050                 }
1051
1052                 // wgDBtype is generally valid here because otherwise the previous page
1053                 // (connect) wouldn't have declared its happiness
1054                 $type = $this->getVar( 'wgDBtype' );
1055                 $installer = $this->parent->getDBInstaller( $type );
1056
1057                 if ( !$installer->needsUpgrade() ) {
1058                         return 'skip';
1059                 }
1060
1061                 if ( $this->parent->request->wasPosted() ) {
1062                         $this->addHTML(
1063                                 '<div id="config-spinner" style="display:none;"><img src="../skins/common/images/ajax-loader.gif" /></div>' .
1064                                 '<script>jQuery( "#config-spinner" )[0].style.display = "block";</script>' .
1065                                 '<textarea id="config-update-log" name="UpdateLog" rows="10" readonly="readonly">'
1066                         );
1067                         $this->parent->output->flush();
1068                         $result = $installer->doUpgrade();
1069                         $this->addHTML( '</textarea>
1070 <script>jQuery( "#config-spinner" )[0].style.display = "none";</script>' );
1071                         $this->parent->output->flush();
1072                         if ( $result ) {
1073                                 $this->setVar( '_UpgradeDone', true );
1074                                 $this->showDoneMessage();
1075                                 return 'output';
1076                         }
1077                 }
1078
1079                 $this->startForm();
1080                 $this->addHTML( $this->parent->getInfoBox(
1081                         wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
1082                 $this->endForm();
1083         }
1084
1085         function showDoneMessage() {
1086                 $this->startForm();
1087                 $this->addHTML(
1088                         $this->parent->getInfoBox(
1089                                 wfMsgNoTrans( 'config-upgrade-done',
1090                                         $GLOBALS['wgServer'] .
1091                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1092                                                 $this->getVar( 'wgScriptExtension' )
1093                                 ), 'tick-32.png'
1094                         )
1095                 );
1096                 $this->endForm( 'regenerate' );
1097         }
1098 }
1099
1100 class WebInstaller_DBSettings extends WebInstallerPage {
1101         function execute() {
1102                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
1103
1104                 $r = $this->parent->request;
1105                 if ( $r->wasPosted() ) {
1106                         $status = $installer->submitSettingsForm();
1107                         if ( $status === false ) {
1108                                 return 'skip';
1109                         } elseif ( $status->isGood() ) {
1110                                 return 'continue';
1111                         } else {
1112                                 $this->parent->showStatusErrorBox( $status );
1113                         }
1114                 }
1115
1116                 $form = $installer->getSettingsForm();
1117                 if ( $form === false ) {
1118                         return 'skip';
1119                 }
1120
1121                 $this->startForm();
1122                 $this->addHTML( $form );
1123                 $this->endForm();
1124         }
1125
1126 }
1127
1128 class WebInstaller_Name extends WebInstallerPage {
1129         function execute() {
1130                 $r = $this->parent->request;
1131                 if ( $r->wasPosted() ) {
1132                         if ( $this->submit() ) {
1133                                 return 'continue';
1134                         }
1135                 }
1136
1137                 $this->startForm();
1138
1139                 if ( $this->getVar( 'wgSitename' ) == $GLOBALS['wgSitename'] ) {
1140                         $this->setVar( 'wgSitename', '' );
1141                 }
1142
1143                 // Set wgMetaNamespace to something valid before we show the form.
1144                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
1145                 $metaNS = $this->getVar( 'wgMetaNamespace' );
1146                 $this->setVar( 'wgMetaNamespace', wfMsgForContent( 'config-ns-other-default' ) );
1147
1148                 $this->addHTML(
1149                         $this->parent->getTextBox( array(
1150                                 'var' => 'wgSitename',
1151                                 'label' => 'config-site-name',
1152                         ) ) .
1153                         $this->parent->getHelpBox( 'config-site-name-help' ) .
1154                         $this->parent->getRadioSet( array(
1155                                 'var' => '_NamespaceType',
1156                                 'label' => 'config-project-namespace',
1157                                 'itemLabelPrefix' => 'config-ns-',
1158                                 'values' => array( 'site-name', 'generic', 'other' ),
1159                                 'commonAttribs' => array( 'class' => 'enableForOther', 'rel' => 'config_wgMetaNamespace' ),
1160                         ) ) .
1161                         $this->parent->getTextBox( array(
1162                                 'var' => 'wgMetaNamespace',
1163                                 'label' => '',
1164                                 'attribs' => array( 'disabled' => '' ),
1165                         ) ) .
1166                         $this->parent->getHelpBox( 'config-project-namespace-help' ) .
1167                         $this->parent->getFieldsetStart( 'config-admin-box' ) .
1168                         $this->parent->getTextBox( array(
1169                                 'var' => '_AdminName',
1170                                 'label' => 'config-admin-name'
1171                         ) ) .
1172                         $this->parent->getPasswordBox( array(
1173                                 'var' => '_AdminPassword',
1174                                 'label' => 'config-admin-password',
1175                         ) ) .
1176                         $this->parent->getPasswordBox( array(
1177                                 'var' => '_AdminPassword2',
1178                                 'label' => 'config-admin-password-confirm'
1179                         ) ) .
1180                         $this->parent->getHelpBox( 'config-admin-help' ) .
1181                         $this->parent->getTextBox( array(
1182                                 'var' => '_AdminEmail',
1183                                 'label' => 'config-admin-email'
1184                         ) ) .
1185                         $this->parent->getHelpBox( 'config-admin-email-help' ) .
1186                         $this->parent->getCheckBox( array(
1187                                 'var' => '_Subscribe',
1188                                 'label' => 'config-subscribe'
1189                         ) ) .
1190                         $this->parent->getHelpBox( 'config-subscribe-help' ) .
1191                         $this->parent->getFieldsetEnd() .
1192                         $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
1193                         $this->parent->getRadioSet( array(
1194                                 'var' => '_SkipOptional',
1195                                 'itemLabelPrefix' => 'config-optional-',
1196                                 'values' => array( 'continue', 'skip' )
1197                         ) )
1198                 );
1199
1200                 // Restore the default value
1201                 $this->setVar( 'wgMetaNamespace', $metaNS );
1202
1203                 $this->endForm();
1204                 return 'output';
1205         }
1206
1207         function submit() {
1208                 $retVal = true;
1209                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
1210                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
1211                         '_Subscribe', '_SkipOptional' ) );
1212
1213                 // Validate site name
1214                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
1215                         $this->parent->showError( 'config-site-name-blank' );
1216                         $retVal = false;
1217                 }
1218
1219                 // Fetch namespace
1220                 $nsType = $this->getVar( '_NamespaceType' );
1221                 if ( $nsType == 'site-name' ) {
1222                         $name = $this->getVar( 'wgSitename' );
1223                         // Sanitize for namespace
1224                         // This algorithm should match the JS one in WebInstallerOutput.php
1225                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
1226                         $name = str_replace( '&', '&amp;', $name );
1227                         $name = preg_replace( '/__+/', '_', $name );
1228                         $name = ucfirst( trim( $name, '_' ) );
1229                 } elseif ( $nsType == 'generic' ) {
1230                         $name = wfMsg( 'config-ns-generic' );
1231                 } else { // other
1232                         $name = $this->getVar( 'wgMetaNamespace' );
1233                 }
1234
1235                 // Validate namespace
1236                 if ( strpos( $name, ':' ) !== false ) {
1237                         $good = false;
1238                 } else {
1239                         // Title-style validation
1240                         $title = Title::newFromText( $name );
1241                         if ( !$title ) {
1242                                 $good = $nsType == 'site-name' ? true : false;
1243                         } else {
1244                                 $name = $title->getDBkey();
1245                                 $good = true;
1246                         }
1247                 }
1248                 if ( !$good ) {
1249                         $this->parent->showError( 'config-ns-invalid', $name );
1250                         $retVal = false;
1251                 }
1252                 $this->setVar( 'wgMetaNamespace', $name );
1253
1254                 // Validate username for creation
1255                 $name = $this->getVar( '_AdminName' );
1256                 if ( strval( $name ) === '' ) {
1257                         $this->parent->showError( 'config-admin-name-blank' );
1258                         $cname = $name;
1259                         $retVal = false;
1260                 } else {
1261                         $cname = User::getCanonicalName( $name, 'creatable' );
1262                         if ( $cname === false ) {
1263                                 $this->parent->showError( 'config-admin-name-invalid', $name );
1264                                 $retVal = false;
1265                         } else {
1266                                 $this->setVar( '_AdminName', $cname );
1267                         }
1268                 }
1269
1270                 // Validate password
1271                 $msg = false;
1272                 $pwd = $this->getVar( '_AdminPassword' );
1273                 $user = User::newFromName( $cname );
1274                 $valid = $user->getPasswordValidity( $pwd );
1275                 if ( strval( $pwd ) === '' ) {
1276                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
1277                         # This message is more specific and helpful.
1278                         $msg = 'config-admin-password-blank';
1279                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
1280                         $msg = 'config-admin-password-mismatch';
1281                 } elseif ( $valid !== true ) {
1282                         # As of writing this will only catch the username being e.g. 'FOO' and
1283                         # the password 'foo'
1284                         $msg = $valid;
1285                 }
1286                 if ( $msg !== false ) {
1287                         $this->parent->showError( $msg );
1288                         $this->setVar( '_AdminPassword', '' );
1289                         $this->setVar( '_AdminPassword2', '' );
1290                         $retVal = false;
1291                 }
1292                 return $retVal;
1293         }
1294 }
1295
1296 class WebInstaller_Options extends WebInstallerPage {
1297         function execute() {
1298                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
1299                         return 'skip';
1300                 }
1301                 if ( $this->parent->request->wasPosted() ) {
1302                         if ( $this->submit() ) {
1303                                 return 'continue';
1304                         }
1305                 }
1306
1307                 $this->startForm();
1308                 $this->addHTML(
1309                         # User Rights
1310                         $this->parent->getRadioSet( array(
1311                                 'var' => '_RightsProfile',
1312                                 'label' => 'config-profile',
1313                                 'itemLabelPrefix' => 'config-profile-',
1314                                 'values' => array_keys( $this->parent->rightsProfiles ),
1315                         ) ) .
1316                         $this->parent->getHelpBox( 'config-profile-help' ) .
1317
1318                         # Licensing
1319                         $this->parent->getRadioSet( array(
1320                                 'var' => '_LicenseCode',
1321                                 'label' => 'config-license',
1322                                 'itemLabelPrefix' => 'config-license-',
1323                                 'values' => array_keys( $this->parent->licenses ),
1324                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
1325                         ) ) .
1326                         $this->getCCChooser() .
1327                         $this->parent->getHelpBox( 'config-license-help' ) .
1328
1329                         # E-mail
1330                         $this->parent->getFieldsetStart( 'config-email-settings' ) .
1331                         $this->parent->getCheckBox( array(
1332                                 'var' => 'wgEnableEmail',
1333                                 'label' => 'config-enable-email',
1334                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
1335                         ) ) .
1336                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
1337                         "<div id=\"emailwrapper\">" .
1338                         $this->parent->getTextBox( array(
1339                                 'var' => 'wgPasswordSender',
1340                                 'label' => 'config-email-sender'
1341                         ) ) .
1342                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
1343                         $this->parent->getCheckBox( array(
1344                                 'var' => 'wgEnableUserEmail',
1345                                 'label' => 'config-email-user',
1346                         ) ) .
1347                         $this->parent->getHelpBox( 'config-email-user-help' ) .
1348                         $this->parent->getCheckBox( array(
1349                                 'var' => 'wgEnotifUserTalk',
1350                                 'label' => 'config-email-usertalk',
1351                         ) ) .
1352                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
1353                         $this->parent->getCheckBox( array(
1354                                 'var' => 'wgEnotifWatchlist',
1355                                 'label' => 'config-email-watchlist',
1356                         ) ) .
1357                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
1358                         $this->parent->getCheckBox( array(
1359                                 'var' => 'wgEmailAuthentication',
1360                                 'label' => 'config-email-auth',
1361                         ) ) .
1362                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
1363                         "</div>" .
1364                         $this->parent->getFieldsetEnd()
1365                 );
1366
1367                 $extensions = $this->parent->findExtensions();
1368                 if( $extensions ) {
1369                         $extHtml = $this->parent->getFieldsetStart( 'config-extensions' );
1370                         foreach( $extensions as $ext ) {
1371                                 $extHtml .= $this->parent->getCheckBox( array(
1372                                         'var' => "ext-$ext",
1373                                         'rawtext' => $ext,
1374                                 ) );
1375                         }
1376                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
1377                                 $this->parent->getFieldsetEnd();
1378                         $this->addHTML( $extHtml );
1379                 }
1380
1381                 $this->addHTML(
1382                         # Uploading
1383                         $this->parent->getFieldsetStart( 'config-upload-settings' ) .
1384                         $this->parent->getCheckBox( array(
1385                                 'var' => 'wgEnableUploads',
1386                                 'label' => 'config-upload-enable',
1387                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
1388                         ) ) .
1389                         $this->parent->getHelpBox( 'config-upload-help' ) .
1390                         '<div id="uploadwrapper" style="display: none;">' .
1391                         $this->parent->getTextBox( array(
1392                                 'var' => 'wgDeletedDirectory',
1393                                 'label' => 'config-upload-deleted',
1394                         ) ) .
1395                         $this->parent->getHelpBox( 'config-upload-deleted-help' ) .
1396                         $this->parent->getTextBox( array(
1397                                 'var' => 'wgLogo',
1398                                 'label' => 'config-logo'
1399                         ) ) .
1400                         $this->parent->getHelpBox( 'config-logo-help' ) .
1401                         '</div>' .
1402                         $this->parent->getFieldsetEnd()
1403                 );
1404
1405                 $caches = array( 'none', 'anything', 'db' );
1406                 $selected = 'db';
1407                 if( count( $this->getVar( '_Caches' ) ) ) {
1408                         $caches[] = 'accel';
1409                         $selected = 'accel';
1410                 }
1411                 $caches[] = 'memcached';
1412
1413                 $this->addHTML(
1414                         # Advanced settings
1415                         $this->parent->getFieldsetStart( 'config-advanced-settings' ) .
1416                         # Object cache settings
1417                         $this->parent->getRadioSet( array(
1418                                 'var' => 'wgMainCacheType',
1419                                 'label' => 'config-cache-options',
1420                                 'itemLabelPrefix' => 'config-cache-',
1421                                 'values' => $caches,
1422                                 'value' => $selected,
1423                         ) ) .
1424                         $this->parent->getHelpBox( 'config-cache-help' ) .
1425                         $this->parent->getTextBox( array(
1426                                 'var' => '_MemCachedServers',
1427                                 'label' => 'config-memcached-servers',
1428                         ) ) .
1429                         $this->parent->getHelpBox( 'config-memcached-help' ) .
1430                         $this->parent->getFieldsetEnd()
1431                 );
1432                 $this->endForm();
1433         }
1434
1435         function getCCPartnerUrl() {
1436                 global $wgServer;
1437                 $exitUrl = $wgServer . $this->parent->getUrl( array(
1438                         'page' => 'Options',
1439                         'SubmitCC' => 'indeed',
1440                         'config__LicenseCode' => 'cc',
1441                         'config_wgRightsUrl' => '[license_url]',
1442                         'config_wgRightsText' => '[license_name]',
1443                         'config_wgRightsIcon' => '[license_button]',
1444                 ) );
1445                 $styleUrl = $wgServer . dirname( dirname( $this->parent->getUrl() ) ) .
1446                         '/skins/common/config-cc.css';
1447                 $iframeUrl = 'http://creativecommons.org/license/?' .
1448                         wfArrayToCGI( array(
1449                                 'partner' => 'MediaWiki',
1450                                 'exit_url' => $exitUrl,
1451                                 'lang' => $this->getVar( '_UserLang' ),
1452                                 'stylesheet' => $styleUrl,
1453                         ) );
1454                 return $iframeUrl;
1455         }
1456
1457         function getCCChooser() {
1458                 $iframeAttribs = array(
1459                         'class' => 'config-cc-iframe',
1460                         'name' => 'config-cc-iframe',
1461                         'id' => 'config-cc-iframe',
1462                         'frameborder' => 0,
1463                         'width' => '100%',
1464                         'height' => '100%',
1465                 );
1466                 if ( $this->getVar( '_CCDone' ) ) {
1467                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
1468                 } else {
1469                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
1470                 }
1471
1472                 return
1473                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"display: none;\">\n" .
1474                         Xml::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1475                         "</div>\n";
1476         }
1477
1478         function getCCDoneBox() {
1479                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1480                 // If you change this height, also change it in config.css
1481                 $expandJs = str_replace( '$1', '54em', $js );
1482                 $reduceJs = str_replace( '$1', '70px', $js );
1483                 return
1484                         '<p>'.
1485                         Xml::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1486                         '&nbsp;&nbsp;' .
1487                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1488                         "</p>\n" .
1489                         "<p style=\"text-align: center\">" .
1490                         Xml::element( 'a',
1491                                 array(
1492                                         'href' => $this->getCCPartnerUrl(),
1493                                         'onclick' => $expandJs,
1494                                 ),
1495                                 wfMsg( 'config-cc-again' )
1496                         ) .
1497                         "</p>\n" .
1498                         "<script type=\"text/javascript\">\n" .
1499                         # Reduce the wrapper div height
1500                         htmlspecialchars( $reduceJs ) .
1501                         "\n" .
1502                         "</script>\n";
1503         }
1504
1505
1506         function submitCC() {
1507                 $newValues = $this->parent->setVarsFromRequest(
1508                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1509                 if ( count( $newValues ) != 3 ) {
1510                         $this->parent->showError( 'config-cc-error' );
1511                         return;
1512                 }
1513                 $this->setVar( '_CCDone', true );
1514                 $this->addHTML( $this->getCCDoneBox() );
1515         }
1516
1517         function submit() {
1518                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1519                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUpload', 'wgLogo',
1520                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1521                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers' ) );
1522
1523                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1524                         array_keys( $this->parent->rightsProfiles ) ) )
1525                 {
1526                         reset( $this->parent->rightsProfiles );
1527                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1528                 }
1529
1530                 $code = $this->getVar( '_LicenseCode' );
1531                 if ( $code == 'cc-choose' ) {
1532                         if ( !$this->getVar( '_CCDone' ) ) {
1533                                 $this->parent->showError( 'config-cc-not-chosen' );
1534                                 return false;
1535                         }
1536                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1537                         $entry = $this->parent->licenses[$code];
1538                         if ( isset( $entry['text'] ) ) {
1539                                 $this->setVar( 'wgRightsText', $entry['text'] );
1540                         } else {
1541                                 $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
1542                         }
1543                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1544                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1545                 } else {
1546                         $this->setVar( 'wgRightsText', '' );
1547                         $this->setVar( 'wgRightsUrl', '' );
1548                         $this->setVar( 'wgRightsIcon', '' );
1549                 }
1550
1551                 $exts = $this->parent->getVar( '_Extensions' );
1552                 foreach( $exts as $key => $ext ) {
1553                         if( !$this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1554                                 unset( $exts[$key] );
1555                         }
1556                 }
1557                 $this->parent->setVar( '_Extensions', $exts );
1558                 return true;
1559         }
1560 }
1561
1562 class WebInstaller_Install extends WebInstallerPage {
1563
1564         function execute() {
1565                 if( $this->parent->request->wasPosted() ) {
1566                         return 'continue';
1567                 }
1568                 $this->startForm();
1569                 $this->addHTML("<ul>");
1570                 foreach( $this->parent->getInstallSteps() as $step ) {
1571                         $this->startStage( "config-install-$step" );
1572                         $func = 'install' . ucfirst( $step );
1573                         $status = $this->parent->{$func}();
1574                         $ok = $status->isGood();
1575                         if ( !$ok ) {
1576                                 $this->parent->showStatusErrorBox( $status );
1577                         }
1578                         $this->endStage( $ok );
1579                 }
1580                 $this->addHTML("</ul>");
1581                 $this->endForm();
1582                 return true;
1583
1584         }
1585
1586         private function startStage( $msg ) {
1587                 $this->addHTML( "<li>" . wfMsgHtml( $msg ) . wfMsg( 'ellipsis') );
1588         }
1589
1590         private function endStage( $success = true ) {
1591                 $msg = $success ? 'config-install-step-done' : 'config-install-step-failed';
1592                 $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
1593                 if ( !$success ) {
1594                         $html = "<span class=\"error\">$html</span>";
1595                 }
1596                 $this->addHTML( $html . "</li>\n" );
1597         }
1598 }
1599
1600 class WebInstaller_Complete extends WebInstallerPage {
1601         public function execute() {
1602                 global $IP;
1603                 $this->startForm();
1604                 $msg = file_exists( "$IP/LocalSettings.php" ) ? 'config-install-done-moved' : 'config-install-done';
1605                 $this->addHTML(
1606                         $this->parent->getInfoBox(
1607                                 wfMsgNoTrans( $msg,
1608                                         $GLOBALS['wgServer'] .
1609                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1610                                                 $this->getVar( 'wgScriptExtension' )
1611                                 ), 'tick-32.png'
1612                         )
1613                 );
1614                 $this->endForm( false );
1615         }
1616 }
1617
1618 class WebInstaller_Restart extends WebInstallerPage {
1619         function execute() {
1620                 $r = $this->parent->request;
1621                 if ( $r->wasPosted() ) {
1622                         $really = $r->getVal( 'submit-restart' );
1623                         if ( $really ) {
1624                                 $this->parent->session = array();
1625                                 $this->parent->happyPages = array();
1626                                 $this->parent->settings = array();
1627                         }
1628                         return 'continue';
1629                 }
1630
1631                 $this->startForm();
1632                 $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
1633                 $this->addHTML( $s );
1634                 $this->endForm( 'restart' );
1635         }
1636 }
1637
1638 abstract class WebInstaller_Document extends WebInstallerPage {
1639         abstract function getFileName();
1640
1641         function execute() {
1642                 $text = $this->getFileContents();
1643                 $this->parent->output->addWikiText( $text );
1644                 $this->startForm();
1645                 $this->endForm( false );
1646         }
1647
1648         function getFileContents() {
1649                 return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
1650         }
1651
1652         protected function formatTextFile( $text ) {
1653                 // replace numbering with [1], [2], etc with MW-style numbering
1654                 $text = preg_replace( "/\r?\n(\r?\n)?\\[\\d+\\]/m", "\\1#", $text );
1655                 // join word-wrapped lines into one
1656                 do {
1657                         $prev = $text;
1658                         $text = preg_replace( "/\n([\\*#])([^\r\n]*?)\r?\n([^\r\n#\\*:]+)/", "\n\\1\\2 \\3", $text );
1659                 } while ( $text != $prev );
1660                 // turn (bug nnnn) into links
1661                 $text = preg_replace_callback('/bug (\d+)/', array( $this, 'replaceBugLinks' ), $text );
1662                 // add links to manual to every global variable mentioned
1663                 $text = preg_replace_callback('/(\$wg[a-z0-9_]+)/i', array( $this, 'replaceConfigLinks' ), $text );
1664                 // special case for <pre> - formatted links
1665                 do {
1666                         $prev = $text;
1667                         $text = preg_replace( '/^([^\\s].*?)\r?\n[\\s]+(https?:\/\/)/m', "\\1\n:\\2", $text );
1668                 } while ( $text != $prev );
1669                 return $text;
1670         }
1671
1672         private function replaceBugLinks( $matches ) {
1673                 return '<span class="config-plainlink">[https://bugzilla.wikimedia.org/' .
1674                         $matches[1] . ' bug ' . $matches[1] . ']</span>';
1675         }
1676
1677         private function replaceConfigLinks( $matches ) {
1678                 return '<span class="config-plainlink">[http://www.mediawiki.org/wiki/Manual:' .
1679                         $matches[1] . ' ' . $matches[1] . ']</span>';
1680         }
1681 }
1682
1683 class WebInstaller_Readme extends WebInstaller_Document {
1684         function getFileName() { return 'README'; }
1685
1686         function getFileContents() {
1687                 return $this->formatTextFile( parent::getFileContents() );
1688         }
1689 }
1690
1691 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1692         function getFileName() { return 'RELEASE-NOTES'; }
1693
1694         function getFileContents() {
1695                 return $this->formatTextFile( parent::getFileContents() );
1696         }
1697 }
1698
1699 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1700         function getFileName() { return 'UPGRADE'; }
1701
1702         function getFileContents() {
1703                 return $this->formatTextFile( parent::getFileContents() );
1704         }
1705 }
1706
1707 class WebInstaller_Copying extends WebInstaller_Document {
1708         function getFileName() { return 'COPYING'; }
1709
1710         function getFileContents() {
1711                 $text = parent::getFileContents();
1712                 $text = str_replace( "\x0C", '', $text );
1713                 $text = preg_replace_callback( '/\n[ \t]+/m', array( 'WebInstaller_Copying', 'replaceLeadingSpaces' ), $text );
1714                 $text = '<tt>' . nl2br( $text ) . '</tt>';
1715                 return $text;
1716         }
1717
1718         private static function replaceLeadingSpaces( $matches ) {
1719                 return "\n" . str_repeat( '&nbsp;', strlen( $matches[0] ) );
1720         }
1721 }