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 $session Array: 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( $this->getVar( '_InstallDone' ) && $this->request->getVal( 'localsettings' ) )
  88                 {
  89                         $ls = new LocalSettingsGenerator( $this );
  90                         $this->request->response()->header('Content-type: text/plain');
  91                         $this->request->response()->header(
  92                                 'Content-Disposition: attachment; filename="LocalSettings.php"'
  93                         );
  94                         echo $ls->getText();
  95                         return $this->session;
  96                 }
  97
  98                 if ( isset( $session['happyPages'] ) ) {
  99                         $this->happyPages = $session['happyPages'];
 100                 } else {
 101                         $this->happyPages = array();
 102                 }
 103                 if ( isset( $session['skippedPages'] ) ) {
 104                         $this->skippedPages = $session['skippedPages'];
 105                 } else {
 106                         $this->skippedPages = array();
 107                 }
 108                 $lowestUnhappy = $this->getLowestUnhappy();
 109
 110                 # Special case for Creative Commons partner chooser box
 111                 if ( $this->request->getVal( 'SubmitCC' ) ) {
 112                         $page = $this->getPageByName( 'Options' );
 113                         $this->output->useShortHeader();
 114                         $page->submitCC();
 115                         return $this->finish();
 116                 }
 117                 if ( $this->request->getVal( 'ShowCC' ) ) {
 118                         $page = $this->getPageByName( 'Options' );
 119                         $this->output->useShortHeader();
 120                         $this->output->addHTML( $page->getCCDoneBox() );
 121                         return $this->finish();
 122                 }
 123
 124                 # Get the page name
 125                 $pageName = $this->request->getVal( 'page' );
 126
 127                 if ( in_array( $pageName, $this->otherPages ) ) {
 128                         # Out of sequence
 129                         $pageId = false;
 130                         $page = $this->getPageByName( $pageName );
 131                 } else {
 132                         # Main sequence
 133                         if ( !$pageName || !in_array( $pageName, $this->pageSequence ) ) {
 134                                 $pageId = $lowestUnhappy;
 135                         } else {
 136                                 $pageId = array_search( $pageName, $this->pageSequence );
 137                         }
 138
 139                         # If necessary, move back to the lowest-numbered unhappy page
 140                         if ( $pageId > $lowestUnhappy ) {
 141                                 $pageId = $lowestUnhappy;
 142                                 if ( $lowestUnhappy == 0 ) {
 143                                         # Knocked back to start, possible loss of session data
 144                                         $this->showSessionWarning = true;
 145                                 }
 146                         }
 147                         $pageName = $this->pageSequence[$pageId];
 148                         $page = $this->getPageByName( $pageName );
 149                 }
 150
 151                 # If a back button was submitted, go back without submitting the form data
 152                 if ( $this->request->wasPosted() && $this->request->getBool( 'submit-back' ) ) {
 153                         if ( $this->request->getVal( 'lastPage' ) ) {
 154                                 $nextPage = $this->request->getVal( 'lastPage' );
 155                         } elseif ( $pageId !== false ) {
 156                                 # Main sequence page
 157                                 # Skip the skipped pages
 158                                 $nextPageId = $pageId;
 159                                 do {
 160                                         $nextPageId--;
 161                                         $nextPage = $this->pageSequence[$nextPageId];
 162                                 } while( isset( $this->skippedPages[$nextPage] ) );
 163                         } else {
 164                                 $nextPage = $this->pageSequence[$lowestUnhappy];
 165                         }
 166                         $this->output->redirect( $this->getUrl( array( 'page' => $nextPage ) ) );
 167                         return $this->finish();
 168                 }
 169
 170                 # Execute the page
 171                 $this->currentPageName = $page->getName();
 172                 $this->startPageWrapper( $pageName );
 173                 $localSettings = $this->getLocalSettingsStatus();
 174                 if( !$localSettings->isGood() ) {
 175                         $this->showStatusBox( $localSettings );
 176                         $result = 'output';
 177                 } else {
 178                         $result = $page->execute();
 179                 }
 180                 $this->endPageWrapper();
 181
 182                 if ( $result == 'skip' ) {
 183                         # Page skipped without explicit submission
 184                         # Skip it when we click "back" so that we don't just go forward again
 185                         $this->skippedPages[$pageName] = true;
 186                         $result = 'continue';
 187                 } else {
 188                         unset( $this->skippedPages[$pageName] );
 189                 }
 190
 191                 # If it was posted, the page can request a continue to the next page
 192                 if ( $result === 'continue' && !$this->output->headerDone() ) {
 193                         if ( $pageId !== false ) {
 194                                 $this->happyPages[$pageId] = true;
 195                         }
 196                         $lowestUnhappy = $this->getLowestUnhappy();
 197
 198                         if ( $this->request->getVal( 'lastPage' ) ) {
 199                                 $nextPage = $this->request->getVal( 'lastPage' );
 200                         } elseif ( $pageId !== false ) {
 201                                 $nextPage = $this->pageSequence[$pageId + 1];
 202                         } else {
 203                                 $nextPage = $this->pageSequence[$lowestUnhappy];
 204                         }
 205                         if ( array_search( $nextPage, $this->pageSequence ) > $lowestUnhappy ) {
 206                                 $nextPage = $this->pageSequence[$lowestUnhappy];
 207                         }
 208                         $this->output->redirect( $this->getUrl( array( 'page' => $nextPage ) ) );
 209                 }
 210                 return $this->finish();
 211         }
 212
 213         function getLowestUnhappy() {
 214                 if ( count( $this->happyPages ) == 0 ) {
 215                         return 0;
 216                 } else {
 217                         return max( array_keys( $this->happyPages ) ) + 1;
 218                 }
 219         }
 220
 221         /**
 222          * Start the PHP session. This may be called before execute() to start the PHP session.
 223          */
 224         function startSession() {
 225                 $sessPath = $this->getSessionSavePath();
 226                 if( $sessPath != '' ) {
 227                         if( strval( ini_get( 'open_basedir' ) ) != '' ) {
 228                                 // we need to skip the following check when open_basedir is on.
 229                                 // The session path probably *wont* be writable by the current
 230                                 // user, and telling them to change it is bad. Bug 23021.
 231                         } elseif( !is_dir( $sessPath ) || !is_writeable( $sessPath ) ) {
 232                                 $this->showError( 'config-session-path-bad', $sessPath );
 233                                 return false;
 234                         }
 235                 } else {
 236                         // If the path is unset it'll default to some system bit, which *probably* is ok...
 237                         // not sure how to actually get what will be used.
 238                 }
 239                 if( wfIniGetBool( 'session.auto_start' ) || session_id() ) {
 240                         // Done already
 241                         return true;
 242                 }
 243
 244                 $this->phpErrors = array();
 245                 set_error_handler( array( $this, 'errorHandler' ) );
 246                 session_start();
 247                 restore_error_handler();
 248                 if ( $this->phpErrors ) {
 249                         $this->showError( 'config-session-error', $this->phpErrors[0] );
 250                         return false;
 251                 }
 252                 return true;
 253         }
 254
 255         /**
 256          * Get the value of session.save_path
 257          *
 258          * Per http://www.php.net/manual/en/session.configuration.php#ini.session.save-path,
 259          * this might have some additional preceding parts which need to be
 260          * ditched
 261          *
 262          * @return String
 263          */
 264         private function getSessionSavePath() {
 265                 $path = ini_get( 'session.save_path' );
 266                 $path = ltrim( substr( $path, strrpos( $path, ';' ) ), ';');
 267
 268                 return $path;
 269         }
 270
 271         /**
 272          * Show an error message in a box. Parameters are like wfMsg().
 273          */
 274         function showError( $msg /*...*/ ) {
 275                 $args = func_get_args();
 276                 array_shift( $args );
 277                 $args = array_map( 'htmlspecialchars', $args );
 278                 $msg = wfMsgReal( $msg, $args, false, false, false );
 279                 $this->output->addHTML( $this->getErrorBox( $msg ) );
 280         }
 281
 282         /**
 283          * Temporary error handler for session start debugging
 284          */
 285         function errorHandler( $errno, $errstr ) {
 286                 $this->phpErrors[] = $errstr;
 287         }
 288
 289         /**
 290          * Clean up from execute()
 291          */
 292         public function finish() {
 293                 $this->output->output();
 294                 $this->session['happyPages'] = $this->happyPages;
 295                 $this->session['skippedPages'] = $this->skippedPages;
 296                 $this->session['settings'] = $this->settings;
 297                 return $this->session;
 298         }
 299
 300         /**
 301          * Get a URL for submission back to the same script
 302          */
 303         function getUrl( $query = array() ) {
 304                 $url = $this->request->getRequestURL();
 305                 # Remove existing query
 306                 $url = preg_replace( '/\?.*$/', '', $url );
 307                 if ( $query ) {
 308                         $url .= '?' . wfArrayToCGI( $query );
 309                 }
 310                 return $url;
 311         }
 312
 313         /**
 314          * Get a WebInstallerPage from the main sequence, by ID
 315          */
 316         function getPageById( $id ) {
 317                 $pageName = $this->pageSequence[$id];
 318                 $pageClass = 'WebInstaller_' . $pageName;
 319                 return new $pageClass( $this );
 320         }
 321
 322         /**
 323          * Get a WebInstallerPage by name
 324          */
 325         function getPageByName( $pageName ) {
 326                 $pageClass = 'WebInstaller_' . $pageName;
 327                 return new $pageClass( $this );
 328         }
 329
 330         /**
 331          * Get a session variable
 332          */
 333         function getSession( $name, $default = null ) {
 334                 if ( !isset( $this->session[$name] ) ) {
 335                         return $default;
 336                 } else {
 337                         return $this->session[$name];
 338                 }
 339         }
 340
 341         /**
 342          * Set a session variable
 343          */
 344         function setSession( $name, $value ) {
 345                 $this->session[$name] = $value;
 346         }
 347
 348         /**
 349          * Get the next tabindex attribute value
 350          */
 351         function nextTabIndex() {
 352                 return $this->tabIndex++;
 353         }
 354
 355         /**
 356          * Initializes language-related variables
 357          */
 358         function setupLanguage() {
 359                 global $wgLang, $wgContLang, $wgLanguageCode;
 360                 if ( $this->getSession( 'test' ) === null && !$this->request->wasPosted() ) {
 361                         $wgLanguageCode = $this->getAcceptLanguage();
 362                         $wgLang = $wgContLang = Language::factory( $wgLanguageCode );
 363                         $this->setVar( 'wgLanguageCode', $wgLanguageCode );
 364                         $this->setVar( '_UserLang', $wgLanguageCode );
 365                 } else {
 366                         $wgLanguageCode = $this->getVar( 'wgLanguageCode' );
 367                         $wgLang = Language::factory( $this->getVar( '_UserLang' ) );
 368                         $wgContLang = Language::factory( $wgLanguageCode );
 369                 }
 370         }
 371
 372         /**
 373          * Retrieves MediaWiki language from Accept-Language HTTP header
 374          */
 375         function getAcceptLanguage() {
 376                 global $wgLanguageCode;
 377
 378                 $mwLanguages = Language::getLanguageNames();
 379                 $langs = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
 380                 foreach ( explode( ';', $langs ) as $splitted ) {
 381                         foreach ( explode( ',', $splitted ) as $lang ) {
 382                                 $lang = trim( strtolower( $lang ) );
 383                                 if ( $lang == '' || $lang[0] == 'q' ) {
 384                                         continue;
 385                                 }
 386                                 if ( isset( $mwLanguages[$lang] ) ) {
 387                                         return $lang;
 388                                 }
 389                                 $lang = preg_replace( '/^(.*?)(?=-[^-]*)$/', '\\1', $lang );
 390                                 if ( $lang != '' && isset( $mwLanguages[$lang] ) ) {
 391                                         return $lang;
 392                                 }
 393                         }
 394                 }
 395                 return $wgLanguageCode;
 396         }
 397
 398         /**
 399          * Called by execute() before page output starts, to show a page list
 400          */
 401         function startPageWrapper( $currentPageName ) {
 402                 $s = "<div class=\"config-page-wrapper\">\n" .
 403                         "<div class=\"config-page-list\"><ul>\n";
 404                 $lastHappy = -1;
 405                 foreach ( $this->pageSequence as $id => $pageName ) {
 406                         $happy = !empty( $this->happyPages[$id] );
 407                         $s .= $this->getPageListItem( $pageName,
 408                                 $happy || $lastHappy == $id - 1, $currentPageName );
 409                         if ( $happy ) {
 410                                 $lastHappy = $id;
 411                         }
 412                 }
 413                 $s .= "</ul><br/><ul>\n";
 414                 foreach ( $this->otherPages as $pageName ) {
 415                         $s .= $this->getPageListItem( $pageName, true, $currentPageName );
 416                 }
 417                 $s .= "</ul></div>\n". // end list pane
 418                         "<div class=\"config-page\">\n" .
 419                         Xml::element( 'h2', array(),
 420                                 wfMsg( 'config-page-' . strtolower( $currentPageName ) ) );
 421
 422                 $this->output->addHTMLNoFlush( $s );
 423         }
 424
 425         /**
 426          * Get a list item for the page list
 427          */
 428         function getPageListItem( $pageName, $enabled, $currentPageName ) {
 429                 $s = "<li class=\"config-page-list-item\">";
 430                 $name = wfMsg( 'config-page-' . strtolower( $pageName ) );
 431                 if ( $enabled ) {
 432                         $query = array( 'page' => $pageName );
 433                         if ( !in_array( $pageName, $this->pageSequence ) ) {
 434                                 if ( in_array( $currentPageName, $this->pageSequence ) ) {
 435                                         $query['lastPage'] = $currentPageName;
 436                                 }
 437                                 $link = Xml::element( 'a',
 438                                         array(
 439                                                 'href' => $this->getUrl( $query )
 440                                         ),
 441                                         $name
 442                                 );
 443                         } else {
 444                                 $link = htmlspecialchars( $name );
 445                         }
 446                         if ( $pageName == $currentPageName ) {
 447                                 $s .= "<span class=\"config-page-current\">$link</span>";
 448                         } else {
 449                                 $s .= $link;
 450                         }
 451                 } else {
 452                         $s .= Xml::element( 'span',
 453                                 array(
 454                                         'class' => 'config-page-disabled'
 455                                 ),
 456                                 $name
 457                         );
 458                 }
 459                 $s .= "</li>\n";
 460                 return $s;
 461         }
 462
 463         /**
 464          * Output some stuff after a page is finished
 465          */
 466         function endPageWrapper() {
 467                 $this->output->addHTMLNoFlush(
 468                         "</div>\n" .
 469                         "<br style=\"clear:both\"/>\n" .
 470                         "</div>" );
 471         }
 472
 473         /**
 474          * Get HTML for an error box with an icon
 475          *
 476          * @param $text String: wikitext, get this with wfMsgNoTrans()
 477          */
 478         function getErrorBox( $text ) {
 479                 return $this->getInfoBox( $text, 'critical-32.png', 'config-error-box' );
 480         }
 481
 482         /**
 483          * Get HTML for a warning box with an icon
 484          *
 485          * @param $text String: wikitext, get this with wfMsgNoTrans()
 486          */
 487         function getWarningBox( $text ) {
 488                 return $this->getInfoBox( $text, 'warning-32.png', 'config-warning-box' );
 489         }
 490
 491         /**
 492          * Get HTML for an info box with an icon
 493          *
 494          * @param $text String: wikitext, get this with wfMsgNoTrans()
 495          * @param $icon String: icon name, file in skins/common/images
 496          * @param $class String: additional class name to add to the wrapper div
 497          */
 498         function getInfoBox( $text, $icon = 'info-32.png', $class = false ) {
 499                 $s =
 500                         "<div class=\"config-info $class\">\n" .
 501                                 "<div class=\"config-info-left\">\n" .
 502                                 Xml::element( 'img',
 503                                         array(
 504                                                 'src' => '../skins/common/images/' . $icon,
 505                                                 'alt' => wfMsg( 'config-information' ),
 506                                         )
 507                                 ) . "\n" .
 508                                 "</div>\n" .
 509                                 "<div class=\"config-info-right\">\n" .
 510                                         $this->parse( $text ) . "\n" .
 511                                 "</div>\n" .
 512                                 "<div style=\"clear: left;\"></div>\n" .
 513                         "</div>\n";
 514                 return $s;
 515         }
 516
 517         /**
 518          * Get small text indented help for a preceding form field.
 519          * Parameters like wfMsg().
 520          */
 521         function getHelpBox( $msg /*, ... */ ) {
 522                 $args = func_get_args();
 523                 array_shift( $args );
 524                 $args = array_map( 'htmlspecialchars', $args );
 525                 $text = wfMsgReal( $msg, $args, false, false, false );
 526                 $html = $this->parse( $text, true );
 527                 $id = $this->helpId++;
 528                 $alt = wfMsg( 'help' );
 529
 530                 return
 531                         "<div class=\"config-help-wrapper\">\n" .
 532                         "<div class=\"config-help-message\">\n" .
 533                          $html .
 534                         "</div>\n" .
 535                         "<div class=\"config-show-help\">\n" .
 536                         "<a href=\"#\">" .
 537                         wfMsgHtml( 'config-show-help' ) .
 538                         "</a></div>\n" .
 539                         "<div class=\"config-hide-help\">\n" .
 540                         "<a href=\"#\">" .
 541                         wfMsgHtml( 'config-hide-help' ) .
 542                         "</a></div>\n</div>\n";
 543         }
 544
 545         /**
 546          * Output a help box
 547          */
 548         function showHelpBox( $msg /*, ... */ ) {
 549                 $args = func_get_args();
 550                 $html = call_user_func_array( array( $this, 'getHelpBox' ), $args );
 551                 $this->output->addHTML( $html );
 552         }
 553
 554         /**
 555          * Show a short informational message
 556          * Output looks like a list.
 557          */
 558         function showMessage( $msg /*, ... */ ) {
 559                 $args = func_get_args();
 560                 array_shift( $args );
 561                 $html = '<div class="config-message">' .
 562                         $this->parse( wfMsgReal( $msg, $args, false, false, false ) ) .
 563                         "</div>\n";
 564                 $this->output->addHTML( $html );
 565         }
 566
 567         /**
 568          * Label a control by wrapping a config-input div around it and putting a
 569          * label before it
 570          */
 571         function label( $msg, $forId, $contents ) {
 572                 if ( strval( $msg ) == '' ) {
 573                         $labelText = '&#160;';
 574                 } else {
 575                         $labelText = wfMsgHtml( $msg );
 576                 }
 577                 $attributes = array( 'class' => 'config-label' );
 578                 if ( $forId ) {
 579                         $attributes['for'] = $forId;
 580                 }
 581                 return
 582                         "<div class=\"config-input\">\n" .
 583                         Xml::tags( 'label',
 584                                 $attributes,
 585                                 $labelText ) . "\n" .
 586                         $contents .
 587                         "</div>\n";
 588         }
 589
 590         /**
 591          * Get a labelled text box to configure a variable
 592          *
 593          * @param $params Array
 594          *    Parameters are:
 595          *      var:        The variable to be configured (required)
 596          *      label:      The message name for the label (required)
 597          *      attribs:    Additional attributes for the input element (optional)
 598          *      controlName: The name for the input element (optional)
 599          *      value:      The current value of the variable (optional)
 600          */
 601         function getTextBox( $params ) {
 602                 if ( !isset( $params['controlName'] ) ) {
 603                         $params['controlName'] = 'config_' . $params['var'];
 604                 }
 605                 if ( !isset( $params['value'] ) ) {
 606                         $params['value'] = $this->getVar( $params['var'] );
 607                 }
 608                 if ( !isset( $params['attribs'] ) ) {
 609                         $params['attribs'] = array();
 610                 }
 611                 return
 612                         $this->label(
 613                                 $params['label'],
 614                                 $params['controlName'],
 615                                 Xml::input(
 616                                         $params['controlName'],
 617                                         30, // intended to be overridden by CSS
 618                                         $params['value'],
 619                                         $params['attribs'] + array(
 620                                                 'id' => $params['controlName'],
 621                                                 'class' => 'config-input-text',
 622                                                 'tabindex' => $this->nextTabIndex()
 623                                         )
 624                                 )
 625                         );
 626         }
 627
 628         /**
 629          * Get a labelled password box to configure a variable
 630          *
 631          * Implements password hiding
 632          * @param $params Array
 633          *    Parameters are:
 634          *      var:        The variable to be configured (required)
 635          *      label:      The message name for the label (required)
 636          *      attribs:    Additional attributes for the input element (optional)
 637          *      controlName: The name for the input element (optional)
 638          *      value:      The current value of the variable (optional)
 639          */
 640         function getPasswordBox( $params ) {
 641                 if ( !isset( $params['value'] ) ) {
 642                         $params['value'] = $this->getVar( $params['var'] );
 643                 }
 644                 if ( !isset( $params['attribs'] ) ) {
 645                         $params['attribs'] = array();
 646                 }
 647                 $params['value'] = $this->getFakePassword( $params['value'] );
 648                 $params['attribs']['type'] = 'password';
 649                 return $this->getTextBox( $params );
 650         }
 651
 652         /**
 653          * Get a labelled checkbox to configure a boolean variable
 654          *
 655          * @param $params Array
 656          *    Parameters are:
 657          *      var:        The variable to be configured (required)
 658          *      label:      The message name for the label (required)
 659          *      attribs:    Additional attributes for the input element (optional)
 660          *      controlName: The name for the input element (optional)
 661          *      value:      The current value of the variable (optional)
 662          */
 663         function getCheckBox( $params ) {
 664                 if ( !isset( $params['controlName'] ) ) {
 665                         $params['controlName'] = 'config_' . $params['var'];
 666                 }
 667                 if ( !isset( $params['value'] ) ) {
 668                         $params['value'] = $this->getVar( $params['var'] );
 669                 }
 670                 if ( !isset( $params['attribs'] ) ) {
 671                         $params['attribs'] = array();
 672                 }
 673                 if( isset( $params['rawtext'] ) ) {
 674                         $labelText = $params['rawtext'];
 675                 } else {
 676                         $labelText = $this->parse( wfMsg( $params['label'] ) );
 677                 }
 678                 return
 679                         "<div class=\"config-input-check\">\n" .
 680                         "<label>\n" .
 681                         Xml::check(
 682                                 $params['controlName'],
 683                                 $params['value'],
 684                                 $params['attribs'] + array(
 685                                         'id' => $params['controlName'],
 686                                         'class' => 'config-input-text',
 687                                         'tabindex' => $this->nextTabIndex(),
 688                                 )
 689                         ) .
 690                         $labelText . "\n" .
 691                         "</label>\n" .
 692                         "</div>\n";
 693         }
 694
 695         /**
 696          * Get a set of labelled radio buttons
 697          *
 698          * @param $params Array
 699          *    Parameters are:
 700          *      var:            The variable to be configured (required)
 701          *      label:          The message name for the label (required)
 702          *      itemLabelPrefix: The message name prefix for the item labels (required)
 703          *      values:         List of allowed values (required)
 704          *      itemAttribs     Array of attribute arrays, outer key is the value name (optional)
 705          *      commonAttribs   Attribute array applied to all items
 706          *      controlName:    The name for the input element (optional)
 707          *      value:          The current value of the variable (optional)
 708          */
 709         function getRadioSet( $params ) {
 710                 if ( !isset( $params['controlName']  ) ) {
 711                         $params['controlName'] = 'config_' . $params['var'];
 712                 }
 713                 if ( !isset( $params['value'] ) ) {
 714                         $params['value'] = $this->getVar( $params['var'] );
 715                 }
 716                 if ( !isset( $params['label'] ) ) {
 717                         $label = '';
 718                 } else {
 719                         $label = $this->parse( wfMsgNoTrans( $params['label'] ) );
 720                 }
 721                 $s = "<label class=\"config-label\">\n" .
 722                         $label .
 723                         "</label>\n" .
 724                         "<ul class=\"config-settings-block\">\n";
 725                 foreach ( $params['values'] as $value ) {
 726                         $itemAttribs = array();
 727                         if ( isset( $params['commonAttribs'] ) ) {
 728                                 $itemAttribs = $params['commonAttribs'];
 729                         }
 730                         if ( isset( $params['itemAttribs'][$value] ) ) {
 731                                 $itemAttribs = $params['itemAttribs'][$value] + $itemAttribs;
 732                         }
 733                         $checked = $value == $params['value'];
 734                         $id = $params['controlName'] . '_' . $value;
 735                         $itemAttribs['id'] = $id;
 736                         $itemAttribs['tabindex'] = $this->nextTabIndex();
 737                         $s .=
 738                                 '<li>' .
 739                                 Xml::radio( $params['controlName'], $value, $checked, $itemAttribs ) .
 740                                 '&#160;' .
 741                                 Xml::tags( 'label', array( 'for' => $id ), $this->parse(
 742                                         wfMsgNoTrans( $params['itemLabelPrefix'] . strtolower( $value ) )
 743                                 ) ) .
 744                                 "</li>\n";
 745                 }
 746                 $s .= "</ul>\n";
 747                 return $s;
 748         }
 749
 750         /**
 751          * Output an error or warning box using a Status object
 752          */
 753         function showStatusBox( $status ) {
 754                 if( !$status->isGood() ) {
 755                         $text = $status->getWikiText();
 756                         if( $status->isOk() ) {
 757                                 $box = $this->getWarningBox( $text );
 758                         } else {
 759                                 $box = $this->getErrorBox( $text );
 760                         }
 761                         $this->output->addHTML( $box );
 762                 }
 763         }
 764
 765         function showStatusMessage( $status ) {
 766                 $text = $status->getWikiText();
 767                 $this->output->addWikiText(
 768                         "<div class=\"config-message\">\n" .
 769                         $text .
 770                         "</div>"
 771                 );
 772         }
 773
 774         /**
 775          * Convenience function to set variables based on form data.
 776          * Assumes that variables containing "password" in the name are (potentially
 777          * fake) passwords.
 778          *
 779          * @param $varNames Array
 780          * @param $prefix String: the prefix added to variables to obtain form names
 781          */
 782         function setVarsFromRequest( $varNames, $prefix = 'config_' ) {
 783                 $newValues = array();
 784                 foreach ( $varNames as $name ) {
 785                         $value = trim( $this->request->getVal( $prefix . $name ) );
 786                         $newValues[$name] = $value;
 787                         if ( $value === null ) {
 788                                 // Checkbox?
 789                                 $this->setVar( $name, false );
 790                         } else {
 791                                 if ( stripos( $name, 'password' ) !== false ) {
 792                                         $this->setPassword( $name, $value );
 793                                 } else {
 794                                         $this->setVar( $name, $value );
 795                                 }
 796                         }
 797                 }
 798                 return $newValues;
 799         }
 800
 801         /**
 802          * Get the starting tags of a fieldset
 803          *
 804          * @param $legend String: message name
 805          */
 806         function getFieldsetStart( $legend ) {
 807                 return "\n<fieldset><legend>" . wfMsgHtml( $legend ) . "</legend>\n";
 808         }
 809
 810         /**
 811          * Get the end tag of a fieldset
 812          */
 813         function getFieldsetEnd() {
 814                 return "</fieldset>\n";
 815         }
 816
 817         /**
 818          * Helper for Installer::docLink()
 819          */
 820         function getDocUrl( $page ) {
 821                 $url = "{$_SERVER['PHP_SELF']}?page=" . urlencode( $page );
 822                 if ( in_array( $this->currentPageName, $this->pageSequence ) ) {
 823                         $url .= '&lastPage=' . urlencode( $this->currentPageName );
 824                 }
 825                 return $url;
 826         }
 827 }
 828
 829 abstract class WebInstallerPage {
 830         function __construct( $parent ) {
 831                 $this->parent = $parent;
 832         }
 833
 834         function addHTML( $html ) {
 835                 $this->parent->output->addHTML( $html );
 836         }
 837
 838         function startForm() {
 839                 $this->addHTML(
 840                         "<div class=\"config-section\">\n" .
 841                         Xml::openElement(
 842                                 'form',
 843                                 array(
 844                                         'method' => 'post',
 845                                         'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
 846                                 )
 847                         ) . "\n"
 848                 );
 849         }
 850
 851         function endForm( $continue = 'continue' ) {
 852                 $this->parent->output->outputWarnings();
 853                 $s = "<div class=\"config-submit\">\n";
 854                 $id = $this->getId();
 855                 if ( $id === false ) {
 856                         $s .= Xml::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
 857                 }
 858                 if ( $continue ) {
 859                         // Fake submit button for enter keypress
 860                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
 861                                 array( 'name' => "enter-$continue", 'style' => 'display:none' ) ) . "\n";
 862                 }
 863                 if ( $id !== 0 ) {
 864                         $s .= Xml::submitButton( wfMsg( 'config-back' ),
 865                                 array(
 866                                         'name' => 'submit-back',
 867                                         'tabindex' => $this->parent->nextTabIndex()
 868                                 ) ) . "\n";
 869                 }
 870                 if ( $continue ) {
 871                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
 872                                 array(
 873                                         'name' => "submit-$continue",
 874                                         'tabindex' => $this->parent->nextTabIndex(),
 875                                 ) ) . "\n";
 876                 }
 877                 $s .= "</div></form></div>\n";
 878                 $this->addHTML( $s );
 879         }
 880
 881         function getName() {
 882                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
 883         }
 884
 885         function getId() {
 886                 return array_search( $this->getName(), $this->parent->pageSequence );
 887         }
 888
 889         abstract function execute();
 890
 891         function getVar( $var ) {
 892                 return $this->parent->getVar( $var );
 893         }
 894
 895         function setVar( $name, $value ) {
 896                 $this->parent->setVar( $name, $value );
 897         }
 898 }
 899
 900 class WebInstaller_Language extends WebInstallerPage {
 901         function execute() {
 902                 global $wgLang;
 903                 $r = $this->parent->request;
 904                 $userLang = $r->getVal( 'UserLang' );
 905                 $contLang = $r->getVal( 'ContLang' );
 906
 907                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 908                 if ( !$lifetime ) {
 909                         $lifetime = 1440; // PHP default
 910                 }
 911
 912                 if ( $r->wasPosted() ) {
 913                         # Do session test
 914                         if ( $this->parent->getSession( 'test' ) === null ) {
 915                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 916                                 if ( !$requestTime ) {
 917                                         // The most likely explanation is that the user was knocked back
 918                                         // from another page on POST due to session expiry
 919                                         $msg = 'config-session-expired';
 920                                 } elseif ( time() - $requestTime > $lifetime ) {
 921                                         $msg = 'config-session-expired';
 922                                 } else {
 923                                         $msg = 'config-no-session';
 924                                 }
 925                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 926                         } else {
 927                                 $languages = Language::getLanguageNames();
 928                                 if ( isset( $languages[$userLang] ) ) {
 929                                         $this->setVar( '_UserLang', $userLang );
 930                                 }
 931                                 if ( isset( $languages[$contLang] ) ) {
 932                                         $this->setVar( 'wgLanguageCode', $contLang );
 933                                         if ( $this->getVar( '_AdminName' ) === null ) {
 934                                                 // Load localised sysop username in *content* language
 935                                                 $this->setVar( '_AdminName', wfMsgForContent( 'config-admin-default-username' ) );
 936                                         }
 937                                 }
 938                                 return 'continue';
 939                         }
 940                 } elseif ( $this->parent->showSessionWarning ) {
 941                         # The user was knocked back from another page to the start
 942                         # This probably indicates a session expiry
 943                         $this->parent->showError( 'config-session-expired', $wgLang->formatTimePeriod( $lifetime ) );
 944                 }
 945
 946                 $this->parent->setSession( 'test', true );
 947
 948                 if ( !isset( $languages[$userLang] ) ) {
 949                         $userLang = $this->getVar( '_UserLang', 'en' );
 950                 }
 951                 if ( !isset( $languages[$contLang] ) ) {
 952                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 953                 }
 954                 $this->startForm();
 955                 $s =
 956                         Xml::hidden( 'LanguageRequestTime', time() ) .
 957                         $this->getLanguageSelector( 'UserLang', 'config-your-language', $userLang ) .
 958                         $this->parent->getHelpBox( 'config-your-language-help' ) .
 959                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang ) .
 960                         $this->parent->getHelpBox( 'config-wiki-language-help' );
 961
 962
 963                 $this->addHTML( $s );
 964                 $this->endForm();
 965         }
 966
 967         /**
 968          * Get a <select> for selecting languages
 969          */
 970         function getLanguageSelector( $name, $label, $selectedCode ) {
 971                 global $wgDummyLanguageCodes;
 972                 $s = Xml::openElement( 'select', array( 'id' => $name, 'name' => $name ) ) . "\n";
 973
 974                 $languages = Language::getLanguageNames();
 975                 ksort( $languages );
 976                 $dummies = array_flip( $wgDummyLanguageCodes );
 977                 foreach ( $languages as $code => $lang ) {
 978                         if ( isset( $dummies[$code] ) ) continue;
 979                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 980                 }
 981                 $s .= "\n</select>\n";
 982                 return $this->parent->label( $label, $name, $s );
 983         }
 984 }
 985
 986 class WebInstaller_Welcome extends WebInstallerPage {
 987         function execute() {
 988                 if ( $this->parent->request->wasPosted() ) {
 989                         if ( $this->getVar( '_Environment' ) ) {
 990                                 return 'continue';
 991                         }
 992                 }
 993                 $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
 994                 $status = $this->parent->doEnvironmentChecks();
 995                 if ( $status ) {
 996                         $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright', wfMsg( 'config-authors' ) ) );
 997                         $this->startForm();
 998                         $this->endForm();
 999                 }
1000         }
1001 }
1002
1003 class WebInstaller_DBConnect extends WebInstallerPage {
1004         function execute() {
1005                 $r = $this->parent->request;
1006                 if ( $r->wasPosted() ) {
1007                         $status = $this->submit();
1008                         if ( $status->isGood() ) {
1009                                 $this->setVar( '_UpgradeDone', false );
1010                                 return 'continue';
1011                         } else {
1012                                 $this->parent->showStatusBox( $status );
1013                         }
1014                 }
1015
1016
1017                 $this->startForm();
1018
1019                 $types = "<ul class=\"config-settings-block\">\n";
1020                 $settings = '';
1021                 $defaultType = $this->getVar( 'wgDBtype' );
1022                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
1023                         $installer = $this->parent->getDBInstaller( $type );
1024                         $types .=
1025                                 '<li>' .
1026                                 Xml::radioLabel(
1027                                         $installer->getReadableName(),
1028                                         'DBType',
1029                                         $type,
1030                                         "DBType_$type",
1031                                         $type == $defaultType,
1032                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
1033                                 ) .
1034                                 "</li>\n";
1035
1036                         $settings .=
1037                                 Xml::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
1038                                 Xml::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
1039                                 $installer->getConnectForm() .
1040                                 "</div>\n";
1041                 }
1042                 $types .= "</ul><br clear=\"left\"/>\n";
1043
1044                 $this->addHTML(
1045                         $this->parent->label( 'config-db-type', false, $types ) .
1046                         $settings
1047                 );
1048
1049                 $this->endForm();
1050         }
1051
1052         function submit() {
1053                 $r = $this->parent->request;
1054                 $type = $r->getVal( 'DBType' );
1055                 $this->setVar( 'wgDBtype', $type );
1056                 $installer = $this->parent->getDBInstaller( $type );
1057                 if ( !$installer ) {
1058                         return Status::newFatal( 'config-invalid-db-type' );
1059                 }
1060                 return $installer->submitConnectForm();
1061         }
1062 }
1063
1064 class WebInstaller_Upgrade extends WebInstallerPage {
1065         function execute() {
1066                 if ( $this->getVar( '_UpgradeDone' ) ) {
1067                         if ( $this->parent->request->wasPosted() ) {
1068                                 // Done message acknowledged
1069                                 return 'continue';
1070                         } else {
1071                                 // Back button click
1072                                 // Show the done message again
1073                                 // Make them click back again if they want to do the upgrade again
1074                                 $this->showDoneMessage();
1075                                 return 'output';
1076                         }
1077                 }
1078
1079                 // wgDBtype is generally valid here because otherwise the previous page
1080                 // (connect) wouldn't have declared its happiness
1081                 $type = $this->getVar( 'wgDBtype' );
1082                 $installer = $this->parent->getDBInstaller( $type );
1083
1084                 if ( !$installer->needsUpgrade() ) {
1085                         return 'skip';
1086                 }
1087
1088                 if ( $this->parent->request->wasPosted() ) {
1089                         $this->addHTML(
1090                                 '<div id="config-spinner" style="display:none;"><img src="../skins/common/images/ajax-loader.gif" /></div>' .
1091                                 '<script>jQuery( "#config-spinner" )[0].style.display = "block";</script>' .
1092                                 '<textarea id="config-update-log" name="UpdateLog" rows="10" readonly="readonly">'
1093                         );
1094                         $this->parent->output->flush();
1095                         $result = $installer->doUpgrade();
1096                         $this->addHTML( '</textarea>
1097 <script>jQuery( "#config-spinner" )[0].style.display = "none";</script>' );
1098                         $this->parent->output->flush();
1099                         if ( $result ) {
1100                                 $this->setVar( '_UpgradeDone', true );
1101                                 $this->showDoneMessage();
1102                                 return 'output';
1103                         }
1104                 }
1105
1106                 $this->startForm();
1107                 $this->addHTML( $this->parent->getInfoBox(
1108                         wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
1109                 $this->endForm();
1110         }
1111
1112         function showDoneMessage() {
1113                 $this->startForm();
1114                 $this->addHTML(
1115                         $this->parent->getInfoBox(
1116                                 wfMsgNoTrans( 'config-upgrade-done',
1117                                         $GLOBALS['wgServer'] .
1118                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1119                                                 $this->getVar( 'wgScriptExtension' )
1120                                 ), 'tick-32.png'
1121                         )
1122                 );
1123                 $this->endForm( 'regenerate' );
1124         }
1125 }
1126
1127 class WebInstaller_DBSettings extends WebInstallerPage {
1128         function execute() {
1129                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
1130
1131                 $r = $this->parent->request;
1132                 if ( $r->wasPosted() ) {
1133                         $status = $installer->submitSettingsForm();
1134                         if ( $status === false ) {
1135                                 return 'skip';
1136                         } elseif ( $status->isGood() ) {
1137                                 return 'continue';
1138                         } else {
1139                                 $this->parent->showStatusBox( $status );
1140                         }
1141                 }
1142
1143                 $form = $installer->getSettingsForm();
1144                 if ( $form === false ) {
1145                         return 'skip';
1146                 }
1147
1148                 $this->startForm();
1149                 $this->addHTML( $form );
1150                 $this->endForm();
1151         }
1152
1153 }
1154
1155 class WebInstaller_Name extends WebInstallerPage {
1156         function execute() {
1157                 $r = $this->parent->request;
1158                 if ( $r->wasPosted() ) {
1159                         if ( $this->submit() ) {
1160                                 return 'continue';
1161                         }
1162                 }
1163
1164                 $this->startForm();
1165
1166                 if ( $this->getVar( 'wgSitename' ) == $GLOBALS['wgSitename'] ) {
1167                         $this->setVar( 'wgSitename', '' );
1168                 }
1169
1170                 // Set wgMetaNamespace to something valid before we show the form.
1171                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
1172                 $metaNS = $this->getVar( 'wgMetaNamespace' );
1173                 $this->setVar( 'wgMetaNamespace', wfMsgForContent( 'config-ns-other-default' ) );
1174
1175                 $this->addHTML(
1176                         $this->parent->getTextBox( array(
1177                                 'var' => 'wgSitename',
1178                                 'label' => 'config-site-name',
1179                         ) ) .
1180                         $this->parent->getHelpBox( 'config-site-name-help' ) .
1181                         $this->parent->getRadioSet( array(
1182                                 'var' => '_NamespaceType',
1183                                 'label' => 'config-project-namespace',
1184                                 'itemLabelPrefix' => 'config-ns-',
1185                                 'values' => array( 'site-name', 'generic', 'other' ),
1186                                 'commonAttribs' => array( 'class' => 'enableForOther', 'rel' => 'config_wgMetaNamespace' ),
1187                         ) ) .
1188                         $this->parent->getTextBox( array(
1189                                 'var' => 'wgMetaNamespace',
1190                                 'label' => '',
1191                                 'attribs' => array( 'disabled' => '' ),
1192                         ) ) .
1193                         $this->parent->getHelpBox( 'config-project-namespace-help' ) .
1194                         $this->parent->getFieldsetStart( 'config-admin-box' ) .
1195                         $this->parent->getTextBox( array(
1196                                 'var' => '_AdminName',
1197                                 'label' => 'config-admin-name'
1198                         ) ) .
1199                         $this->parent->getPasswordBox( array(
1200                                 'var' => '_AdminPassword',
1201                                 'label' => 'config-admin-password',
1202                         ) ) .
1203                         $this->parent->getPasswordBox( array(
1204                                 'var' => '_AdminPassword2',
1205                                 'label' => 'config-admin-password-confirm'
1206                         ) ) .
1207                         $this->parent->getHelpBox( 'config-admin-help' ) .
1208                         $this->parent->getTextBox( array(
1209                                 'var' => '_AdminEmail',
1210                                 'label' => 'config-admin-email'
1211                         ) ) .
1212                         $this->parent->getHelpBox( 'config-admin-email-help' ) .
1213                         $this->parent->getCheckBox( array(
1214                                 'var' => '_Subscribe',
1215                                 'label' => 'config-subscribe'
1216                         ) ) .
1217                         $this->parent->getHelpBox( 'config-subscribe-help' ) .
1218                         $this->parent->getFieldsetEnd() .
1219                         $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
1220                         $this->parent->getRadioSet( array(
1221                                 'var' => '_SkipOptional',
1222                                 'itemLabelPrefix' => 'config-optional-',
1223                                 'values' => array( 'continue', 'skip' )
1224                         ) )
1225                 );
1226
1227                 // Restore the default value
1228                 $this->setVar( 'wgMetaNamespace', $metaNS );
1229
1230                 $this->endForm();
1231                 return 'output';
1232         }
1233
1234         function submit() {
1235                 $retVal = true;
1236                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
1237                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
1238                         '_Subscribe', '_SkipOptional' ) );
1239
1240                 // Validate site name
1241                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
1242                         $this->parent->showError( 'config-site-name-blank' );
1243                         $retVal = false;
1244                 }
1245
1246                 // Fetch namespace
1247                 $nsType = $this->getVar( '_NamespaceType' );
1248                 if ( $nsType == 'site-name' ) {
1249                         $name = $this->getVar( 'wgSitename' );
1250                         // Sanitize for namespace
1251                         // This algorithm should match the JS one in WebInstallerOutput.php
1252                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
1253                         $name = str_replace( '&', '&amp;', $name );
1254                         $name = preg_replace( '/__+/', '_', $name );
1255                         $name = ucfirst( trim( $name, '_' ) );
1256                 } elseif ( $nsType == 'generic' ) {
1257                         $name = wfMsg( 'config-ns-generic' );
1258                 } else { // other
1259                         $name = $this->getVar( 'wgMetaNamespace' );
1260                 }
1261
1262                 // Validate namespace
1263                 if ( strpos( $name, ':' ) !== false ) {
1264                         $good = false;
1265                 } else {
1266                         // Title-style validation
1267                         $title = Title::newFromText( $name );
1268                         if ( !$title ) {
1269                                 $good = $nsType == 'site-name' ? true : false;
1270                         } else {
1271                                 $name = $title->getDBkey();
1272                                 $good = true;
1273                         }
1274                 }
1275                 if ( !$good ) {
1276                         $this->parent->showError( 'config-ns-invalid', $name );
1277                         $retVal = false;
1278                 }
1279                 $this->setVar( 'wgMetaNamespace', $name );
1280
1281                 // Validate username for creation
1282                 $name = $this->getVar( '_AdminName' );
1283                 if ( strval( $name ) === '' ) {
1284                         $this->parent->showError( 'config-admin-name-blank' );
1285                         $cname = $name;
1286                         $retVal = false;
1287                 } else {
1288                         $cname = User::getCanonicalName( $name, 'creatable' );
1289                         if ( $cname === false ) {
1290                                 $this->parent->showError( 'config-admin-name-invalid', $name );
1291                                 $retVal = false;
1292                         } else {
1293                                 $this->setVar( '_AdminName', $cname );
1294                         }
1295                 }
1296
1297                 // Validate password
1298                 $msg = false;
1299                 $pwd = $this->getVar( '_AdminPassword' );
1300                 $user = User::newFromName( $cname );
1301                 $valid = $user->getPasswordValidity( $pwd );
1302                 if ( strval( $pwd ) === '' ) {
1303                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
1304                         # This message is more specific and helpful.
1305                         $msg = 'config-admin-password-blank';
1306                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
1307                         $msg = 'config-admin-password-mismatch';
1308                 } elseif ( $valid !== true ) {
1309                         # As of writing this will only catch the username being e.g. 'FOO' and
1310                         # the password 'foo'
1311                         $msg = $valid;
1312                 }
1313                 if ( $msg !== false ) {
1314                         $this->parent->showError( $msg );
1315                         $this->setVar( '_AdminPassword', '' );
1316                         $this->setVar( '_AdminPassword2', '' );
1317                         $retVal = false;
1318                 }
1319                 return $retVal;
1320         }
1321 }
1322
1323 class WebInstaller_Options extends WebInstallerPage {
1324         function execute() {
1325                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
1326                         return 'skip';
1327                 }
1328                 if ( $this->parent->request->wasPosted() ) {
1329                         if ( $this->submit() ) {
1330                                 return 'continue';
1331                         }
1332                 }
1333
1334                 $this->startForm();
1335                 $this->addHTML(
1336                         # User Rights
1337                         $this->parent->getRadioSet( array(
1338                                 'var' => '_RightsProfile',
1339                                 'label' => 'config-profile',
1340                                 'itemLabelPrefix' => 'config-profile-',
1341                                 'values' => array_keys( $this->parent->rightsProfiles ),
1342                         ) ) .
1343                         $this->parent->getHelpBox( 'config-profile-help' ) .
1344
1345                         # Licensing
1346                         $this->parent->getRadioSet( array(
1347                                 'var' => '_LicenseCode',
1348                                 'label' => 'config-license',
1349                                 'itemLabelPrefix' => 'config-license-',
1350                                 'values' => array_keys( $this->parent->licenses ),
1351                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
1352                         ) ) .
1353                         $this->getCCChooser() .
1354                         $this->parent->getHelpBox( 'config-license-help' ) .
1355
1356                         # E-mail
1357                         $this->parent->getFieldsetStart( 'config-email-settings' ) .
1358                         $this->parent->getCheckBox( array(
1359                                 'var' => 'wgEnableEmail',
1360                                 'label' => 'config-enable-email',
1361                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
1362                         ) ) .
1363                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
1364                         "<div id=\"emailwrapper\">" .
1365                         $this->parent->getTextBox( array(
1366                                 'var' => 'wgPasswordSender',
1367                                 'label' => 'config-email-sender'
1368                         ) ) .
1369                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
1370                         $this->parent->getCheckBox( array(
1371                                 'var' => 'wgEnableUserEmail',
1372                                 'label' => 'config-email-user',
1373                         ) ) .
1374                         $this->parent->getHelpBox( 'config-email-user-help' ) .
1375                         $this->parent->getCheckBox( array(
1376                                 'var' => 'wgEnotifUserTalk',
1377                                 'label' => 'config-email-usertalk',
1378                         ) ) .
1379                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
1380                         $this->parent->getCheckBox( array(
1381                                 'var' => 'wgEnotifWatchlist',
1382                                 'label' => 'config-email-watchlist',
1383                         ) ) .
1384                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
1385                         $this->parent->getCheckBox( array(
1386                                 'var' => 'wgEmailAuthentication',
1387                                 'label' => 'config-email-auth',
1388                         ) ) .
1389                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
1390                         "</div>" .
1391                         $this->parent->getFieldsetEnd()
1392                 );
1393
1394                 $extensions = $this->parent->findExtensions();
1395                 if( $extensions ) {
1396                         $extHtml = $this->parent->getFieldsetStart( 'config-extensions' );
1397                         foreach( array_keys($extensions) as $ext ) {
1398                                 $extHtml .= $this->parent->getCheckBox( array(
1399                                         'var' => "ext-$ext",
1400                                         'rawtext' => $ext,
1401                                 ) );
1402                         }
1403                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
1404                                 $this->parent->getFieldsetEnd();
1405                         $this->addHTML( $extHtml );
1406                 }
1407
1408                 $this->addHTML(
1409                         # Uploading
1410                         $this->parent->getFieldsetStart( 'config-upload-settings' ) .
1411                         $this->parent->getCheckBox( array(
1412                                 'var' => 'wgEnableUploads',
1413                                 'label' => 'config-upload-enable',
1414                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
1415                         ) ) .
1416                         $this->parent->getHelpBox( 'config-upload-help' ) .
1417                         '<div id="uploadwrapper" style="display: none;">' .
1418                         $this->parent->getTextBox( array(
1419                                 'var' => 'wgDeletedDirectory',
1420                                 'label' => 'config-upload-deleted',
1421                         ) ) .
1422                         $this->parent->getHelpBox( 'config-upload-deleted-help' ) .
1423                         '</div>' .
1424                         $this->parent->getTextBox( array(
1425                                 'var' => 'wgLogo',
1426                                 'label' => 'config-logo'
1427                         ) ) .
1428                         $this->parent->getHelpBox( 'config-logo-help' )
1429                 );
1430                 $canUse = $this->getVar( '_ExternalHTTP' ) ?
1431                         'config-instantcommons-good' : 'config-instantcommons-bad';
1432                 $this->addHTML(
1433                         $this->parent->getCheckBox( array(
1434                                 'var' => 'wgUseInstantCommons',
1435                                 'label' => 'config-instantcommons',
1436                         ) ) .
1437                         $this->parent->getHelpBox( 'config-instantcommons-help', wfMsgNoTrans( $canUse ) ) .
1438                         $this->parent->getFieldsetEnd()
1439                 );
1440
1441                 $caches = array( 'none' );
1442                 if( count( $this->getVar( '_Caches' ) ) ) {
1443                         $caches[] = 'accel';
1444                 }
1445                 $caches[] = 'memcached';
1446
1447                 $this->addHTML(
1448                         # Advanced settings
1449                         $this->parent->getFieldsetStart( 'config-advanced-settings' ) .
1450                         # Object cache settings
1451                         $this->parent->getRadioSet( array(
1452                                 'var' => 'wgMainCacheType',
1453                                 'label' => 'config-cache-options',
1454                                 'itemLabelPrefix' => 'config-cache-',
1455                                 'values' => $caches,
1456                                 'value' => 'none',
1457                         ) ) .
1458                         $this->parent->getHelpBox( 'config-cache-help' ) .
1459                         '<div id="config-memcachewrapper">' .
1460                         $this->parent->getTextBox( array(
1461                                 'var' => '_MemCachedServers',
1462                                 'label' => 'config-memcached-servers',
1463                         ) ) .
1464                         $this->parent->getHelpBox( 'config-memcached-help' ) . '</div>' .
1465                         $this->parent->getFieldsetEnd()
1466                 );
1467                 $this->endForm();
1468         }
1469
1470         function getCCPartnerUrl() {
1471                 global $wgServer;
1472                 $exitUrl = $wgServer . $this->parent->getUrl( array(
1473                         'page' => 'Options',
1474                         'SubmitCC' => 'indeed',
1475                         'config__LicenseCode' => 'cc',
1476                         'config_wgRightsUrl' => '[license_url]',
1477                         'config_wgRightsText' => '[license_name]',
1478                         'config_wgRightsIcon' => '[license_button]',
1479                 ) );
1480                 $styleUrl = $wgServer . dirname( dirname( $this->parent->getUrl() ) ) .
1481                         '/skins/common/config-cc.css';
1482                 $iframeUrl = 'http://creativecommons.org/license/?' .
1483                         wfArrayToCGI( array(
1484                                 'partner' => 'MediaWiki',
1485                                 'exit_url' => $exitUrl,
1486                                 'lang' => $this->getVar( '_UserLang' ),
1487                                 'stylesheet' => $styleUrl,
1488                         ) );
1489                 return $iframeUrl;
1490         }
1491
1492         function getCCChooser() {
1493                 $iframeAttribs = array(
1494                         'class' => 'config-cc-iframe',
1495                         'name' => 'config-cc-iframe',
1496                         'id' => 'config-cc-iframe',
1497                         'frameborder' => 0,
1498                         'width' => '100%',
1499                         'height' => '100%',
1500                 );
1501                 if ( $this->getVar( '_CCDone' ) ) {
1502                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
1503                 } else {
1504                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
1505                 }
1506
1507                 return
1508                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"display: none;\">\n" .
1509                         Xml::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1510                         "</div>\n";
1511         }
1512
1513         function getCCDoneBox() {
1514                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1515                 // If you change this height, also change it in config.css
1516                 $expandJs = str_replace( '$1', '54em', $js );
1517                 $reduceJs = str_replace( '$1', '70px', $js );
1518                 return
1519                         '<p>'.
1520                         Xml::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1521                         '&#160;&#160;' .
1522                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1523                         "</p>\n" .
1524                         "<p style=\"text-align: center\">" .
1525                         Xml::element( 'a',
1526                                 array(
1527                                         'href' => $this->getCCPartnerUrl(),
1528                                         'onclick' => $expandJs,
1529                                 ),
1530                                 wfMsg( 'config-cc-again' )
1531                         ) .
1532                         "</p>\n" .
1533                         "<script type=\"text/javascript\">\n" .
1534                         # Reduce the wrapper div height
1535                         htmlspecialchars( $reduceJs ) .
1536                         "\n" .
1537                         "</script>\n";
1538         }
1539
1540
1541         function submitCC() {
1542                 $newValues = $this->parent->setVarsFromRequest(
1543                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1544                 if ( count( $newValues ) != 3 ) {
1545                         $this->parent->showError( 'config-cc-error' );
1546                         return;
1547                 }
1548                 $this->setVar( '_CCDone', true );
1549                 $this->addHTML( $this->getCCDoneBox() );
1550         }
1551
1552         function submit() {
1553                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1554                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUpload', 'wgLogo',
1555                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1556                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1557                         'wgUseInstantCommons' ) );
1558
1559                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1560                         array_keys( $this->parent->rightsProfiles ) ) )
1561                 {
1562                         reset( $this->parent->rightsProfiles );
1563                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1564                 }
1565
1566                 $code = $this->getVar( '_LicenseCode' );
1567                 if ( $code == 'cc-choose' ) {
1568                         if ( !$this->getVar( '_CCDone' ) ) {
1569                                 $this->parent->showError( 'config-cc-not-chosen' );
1570                                 return false;
1571                         }
1572                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1573                         $entry = $this->parent->licenses[$code];
1574                         if ( isset( $entry['text'] ) ) {
1575                                 $this->setVar( 'wgRightsText', $entry['text'] );
1576                         } else {
1577                                 $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
1578                         }
1579                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1580                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1581                 } else {
1582                         $this->setVar( 'wgRightsText', '' );
1583                         $this->setVar( 'wgRightsUrl', '' );
1584                         $this->setVar( 'wgRightsIcon', '' );
1585                 }
1586
1587                 $exts = $this->parent->getVar( '_Extensions' );
1588                 foreach( $exts as $key => $ext ) {
1589                         if( !$this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1590                                 unset( $exts[$key] );
1591                         }
1592                 }
1593                 $this->parent->setVar( '_Extensions', $exts );
1594                 return true;
1595         }
1596 }
1597
1598 class WebInstaller_Install extends WebInstallerPage {
1599
1600         function execute() {
1601                 if( $this->parent->request->wasPosted() ) {
1602                         return 'continue';
1603                 } elseif( $this->getVar( '_InstallDone' ) ) {
1604                         $this->startForm();
1605                         $status = new Status();
1606                         $status->warning( 'config-install-alreadydone' );
1607                         $this->parent->showStatusBox( $status );
1608                 } else {
1609                         $this->startForm();
1610                         $this->addHTML("<ul>");
1611                         $this->parent->performInstallation(
1612                                 array( $this, 'startStage'),
1613                                 array( $this, 'endStage' )
1614                         );
1615                         $this->addHTML("</ul>");
1616                 }
1617                 $this->endForm();
1618                 return true;
1619         }
1620
1621         public function startStage( $step ) {
1622                 $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
1623         }
1624
1625         public function endStage( $step, $status ) {
1626                 $success = $status->isGood();
1627                 $msg = $success ? 'config-install-step-done' : 'config-install-step-failed';
1628                 $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
1629                 if ( !$success ) {
1630                         $html = "<span class=\"error\">$html</span>";
1631                 }
1632                 $this->addHTML( $html . "</li>\n" );
1633                 if( !$success ) {
1634                         $this->parent->showStatusBox( $status );
1635                 }
1636         }
1637 }
1638
1639 class WebInstaller_Complete extends WebInstallerPage {
1640         public function execute() {
1641                 global $IP;
1642                 $this->startForm();
1643                 $this->addHTML(
1644                         $this->parent->getInfoBox(
1645                                 wfMsgNoTrans( 'config-install-done',
1646                                         $GLOBALS['wgServer'] . $this->parent->getURL( array( 'localsettings' => 1 ) ),
1647                                         $GLOBALS['wgServer'] .
1648                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1649                                                 $this->getVar( 'wgScriptExtension' )
1650                                 ), 'tick-32.png'
1651                         )
1652                 );
1653                 $this->endForm( false );
1654         }
1655 }
1656
1657 class WebInstaller_Restart extends WebInstallerPage {
1658         function execute() {
1659                 $r = $this->parent->request;
1660                 if ( $r->wasPosted() ) {
1661                         $really = $r->getVal( 'submit-restart' );
1662                         if ( $really ) {
1663                                 $this->parent->session = array();
1664                                 $this->parent->happyPages = array();
1665                                 $this->parent->settings = array();
1666                         }
1667                         return 'continue';
1668                 }
1669
1670                 $this->startForm();
1671                 $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
1672                 $this->addHTML( $s );
1673                 $this->endForm( 'restart' );
1674         }
1675 }
1676
1677 abstract class WebInstaller_Document extends WebInstallerPage {
1678         abstract function getFileName();
1679
1680         function execute() {
1681                 $text = $this->getFileContents();
1682                 $this->parent->output->addWikiText( $text );
1683                 $this->startForm();
1684                 $this->endForm( false );
1685         }
1686
1687         function getFileContents() {
1688                 return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
1689         }
1690
1691         protected function formatTextFile( $text ) {
1692                 $text = str_replace( array( '<', '{{', '[[' ),
1693                         array( '&lt;', '&#123;&#123;', '&#91;&#91;' ), $text );
1694                 // replace numbering with [1], [2], etc with MW-style numbering
1695                 $text = preg_replace( "/\r?\n(\r?\n)?\\[\\d+\\]/m", "\\1#", $text );
1696                 // join word-wrapped lines into one
1697                 do {
1698                         $prev = $text;
1699                         $text = preg_replace( "/\n([\\*#])([^\r\n]*?)\r?\n([^\r\n#\\*:]+)/", "\n\\1\\2 \\3", $text );
1700                 } while ( $text != $prev );
1701                 // turn (bug nnnn) into links
1702                 $text = preg_replace_callback('/bug (\d+)/', array( $this, 'replaceBugLinks' ), $text );
1703                 // add links to manual to every global variable mentioned
1704                 $text = preg_replace_callback('/(\$wg[a-z0-9_]+)/i', array( $this, 'replaceConfigLinks' ), $text );
1705                 // special case for <pre> - formatted links
1706                 do {
1707                         $prev = $text;
1708                         $text = preg_replace( '/^([^\\s].*?)\r?\n[\\s]+(https?:\/\/)/m', "\\1\n:\\2", $text );
1709                 } while ( $text != $prev );
1710                 return $text;
1711         }
1712
1713         private function replaceBugLinks( $matches ) {
1714                 return '<span class="config-plainlink">[https://bugzilla.wikimedia.org/' .
1715                         $matches[1] . ' bug ' . $matches[1] . ']</span>';
1716         }
1717
1718         private function replaceConfigLinks( $matches ) {
1719                 return '<span class="config-plainlink">[http://www.mediawiki.org/wiki/Manual:' .
1720                         $matches[1] . ' ' . $matches[1] . ']</span>';
1721         }
1722 }
1723
1724 class WebInstaller_Readme extends WebInstaller_Document {
1725         function getFileName() { return 'README'; }
1726
1727         function getFileContents() {
1728                 return $this->formatTextFile( parent::getFileContents() );
1729         }
1730 }
1731
1732 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1733         function getFileName() { return 'RELEASE-NOTES'; }
1734
1735         function getFileContents() {
1736                 return $this->formatTextFile( parent::getFileContents() );
1737         }
1738 }
1739
1740 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1741         function getFileName() { return 'UPGRADE'; }
1742
1743         function getFileContents() {
1744                 return $this->formatTextFile( parent::getFileContents() );
1745         }
1746 }
1747
1748 class WebInstaller_Copying extends WebInstaller_Document {
1749         function getFileName() { return 'COPYING'; }
1750
1751         function getFileContents() {
1752                 $text = parent::getFileContents();
1753                 $text = str_replace( "\x0C", '', $text );
1754                 $text = preg_replace_callback( '/\n[ \t]+/m', array( 'WebInstaller_Copying', 'replaceLeadingSpaces' ), $text );
1755                 $text = '<tt>' . nl2br( $text ) . '</tt>';
1756                 return $text;
1757         }
1758
1759         private static function replaceLeadingSpaces( $matches ) {
1760                 return "\n" . str_repeat( '&#160;', strlen( $matches[0] ) );
1761         }
1762 }