includes/installer/WebInstallerUpgrade.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  * @ingroup Deployment
  20  */
  21
  22 class WebInstallerUpgrade extends WebInstallerPage {
  23
  24         /**
  25          * @return bool Always true.
  26          */
  27         public function isSlow() {
  28                 return true;
  29         }
  30
  31         /**
  32          * @return string|null
  33          */
  34         public function execute() {
  35                 if ( $this->getVar( '_UpgradeDone' ) ) {
  36                         // Allow regeneration of LocalSettings.php, unless we are working
  37                         // from a pre-existing LocalSettings.php file and we want to avoid
  38                         // leaking its contents
  39                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
  40                                 // Done message acknowledged
  41                                 return 'continue';
  42                         } else {
  43                                 // Back button click
  44                                 // Show the done message again
  45                                 // Make them click back again if they want to do the upgrade again
  46                                 $this->showDoneMessage();
  47
  48                                 return 'output';
  49                         }
  50                 }
  51
  52                 // wgDBtype is generally valid here because otherwise the previous page
  53                 // (connect) wouldn't have declared its happiness
  54                 $type = $this->getVar( 'wgDBtype' );
  55                 $installer = $this->parent->getDBInstaller( $type );
  56
  57                 if ( !$installer->needsUpgrade() ) {
  58                         return 'skip';
  59                 }
  60
  61                 if ( $this->parent->request->wasPosted() ) {
  62                         $installer->preUpgrade();
  63
  64                         $this->startLiveBox();
  65                         $result = $installer->doUpgrade();
  66                         $this->endLiveBox();
  67
  68                         if ( $result ) {
  69                                 // If they're going to possibly regenerate LocalSettings, we
  70                                 // need to create the upgrade/secret keys. T28481
  71                                 if ( !$this->getVar( '_ExistingDBSettings' ) ) {
  72                                         $this->parent->generateKeys();
  73                                 }
  74                                 $this->setVar( '_UpgradeDone', true );
  75                                 $this->showDoneMessage();
  76
  77                                 return 'output';
  78                         }
  79                 }
  80
  81                 $this->startForm();
  82                 $this->addHTML( $this->parent->getInfoBox(
  83                         wfMessage( 'config-can-upgrade', $GLOBALS['wgVersion'] )->plain() ) );
  84                 $this->endForm();
  85
  86                 return null;
  87         }
  88
  89         public function showDoneMessage() {
  90                 $this->startForm();
  91                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
  92                 if ( $regenerate ) {
  93                         $msg = 'config-upgrade-done';
  94                 } else {
  95                         $msg = 'config-upgrade-done-no-regenerate';
  96                 }
  97                 $this->parent->disableLinkPopups();
  98                 $this->addHTML(
  99                         $this->parent->getInfoBox(
 100                                 wfMessage( $msg,
 101                                         $this->getVar( 'wgServer' ) .
 102                                         $this->getVar( 'wgScriptPath' ) . '/index.php'
 103                                 )->plain(), 'tick-32.png'
 104                         )
 105                 );
 106                 $this->parent->restoreLinkPopups();
 107                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 108         }
 109
 110 }