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