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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along |
| 15 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * http://www.gnu.org/copyleft/gpl.html |
| 18 | * |
| 19 | * @file |
| 20 | * @ingroup Installer |
| 21 | */ |
| 22 | |
| 23 | namespace MediaWiki\Installer; |
| 24 | |
| 25 | use MediaWiki\Status\Status; |
| 26 | |
| 27 | class WebInstallerExistingWiki extends WebInstallerPage { |
| 28 | |
| 29 | /** |
| 30 | * @return string |
| 31 | */ |
| 32 | public function execute() { |
| 33 | // If there is no LocalSettings.php, continue to the installer welcome page |
| 34 | $vars = Installer::getExistingLocalSettings(); |
| 35 | if ( !$vars ) { |
| 36 | return 'skip'; |
| 37 | } |
| 38 | |
| 39 | // Check if the upgrade key supplied to the user has appeared in LocalSettings.php |
| 40 | if ( $vars['wgUpgradeKey'] !== false |
| 41 | && $this->getVar( '_UpgradeKeySupplied' ) |
| 42 | && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] |
| 43 | ) { |
| 44 | // It's there, so the user is authorized |
| 45 | $status = $this->handleExistingUpgrade( $vars ); |
| 46 | if ( $status->isOK() ) { |
| 47 | return 'skip'; |
| 48 | } else { |
| 49 | $this->startForm(); |
| 50 | $this->parent->showStatusBox( $status ); |
| 51 | $this->endForm( 'continue' ); |
| 52 | |
| 53 | return 'output'; |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php |
| 58 | if ( $vars['wgUpgradeKey'] === false ) { |
| 59 | $this->setVar( '_UpgradeKeySupplied', true ); |
| 60 | $this->startForm(); |
| 61 | $this->addHTML( $this->parent->getInfoBox( |
| 62 | wfMessage( 'config-upgrade-key-missing', "<pre dir=\"ltr\">\$wgUpgradeKey = '" . |
| 63 | $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )->plain() |
| 64 | ) ); |
| 65 | $this->endForm( 'continue' ); |
| 66 | |
| 67 | return 'output'; |
| 68 | } |
| 69 | |
| 70 | // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it |
| 71 | |
| 72 | $r = $this->parent->request; |
| 73 | if ( $r->wasPosted() ) { |
| 74 | $key = $r->getText( 'config_wgUpgradeKey' ); |
| 75 | if ( !$key || $key !== $vars['wgUpgradeKey'] ) { |
| 76 | $this->parent->showError( 'config-localsettings-badkey' ); |
| 77 | $this->showKeyForm(); |
| 78 | |
| 79 | return 'output'; |
| 80 | } |
| 81 | // Key was OK |
| 82 | $status = $this->handleExistingUpgrade( $vars ); |
| 83 | if ( $status->isOK() ) { |
| 84 | return 'continue'; |
| 85 | } else { |
| 86 | $this->parent->showStatusBox( $status ); |
| 87 | $this->showKeyForm(); |
| 88 | |
| 89 | return 'output'; |
| 90 | } |
| 91 | } else { |
| 92 | $this->showKeyForm(); |
| 93 | |
| 94 | return 'output'; |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Show the "enter key" form |
| 100 | */ |
| 101 | protected function showKeyForm() { |
| 102 | $this->startForm(); |
| 103 | $this->addHTML( |
| 104 | $this->parent->getInfoBox( wfMessage( 'config-localsettings-upgrade' )->plain() ) . |
| 105 | '<br />' . |
| 106 | $this->parent->getTextBox( [ |
| 107 | 'var' => 'wgUpgradeKey', |
| 108 | 'value' => '', |
| 109 | 'label' => 'config-localsettings-key', |
| 110 | 'attribs' => [ 'autocomplete' => 'off' ], |
| 111 | ] ) |
| 112 | ); |
| 113 | $this->endForm( 'continue' ); |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * @param string[] $names |
| 118 | * @param mixed[] $vars |
| 119 | * |
| 120 | * @return Status |
| 121 | */ |
| 122 | protected function importVariables( $names, $vars ) { |
| 123 | $status = Status::newGood(); |
| 124 | foreach ( $names as $name ) { |
| 125 | if ( !isset( $vars[$name] ) ) { |
| 126 | $status->fatal( 'config-localsettings-incomplete', $name ); |
| 127 | } |
| 128 | $this->setVar( $name, $vars[$name] ); |
| 129 | } |
| 130 | |
| 131 | return $status; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Initiate an upgrade of the existing database |
| 136 | * |
| 137 | * @param mixed[] $vars Variables from LocalSettings.php |
| 138 | * |
| 139 | * @return Status |
| 140 | */ |
| 141 | protected function handleExistingUpgrade( $vars ) { |
| 142 | // Check $wgDBtype |
| 143 | if ( !isset( $vars['wgDBtype'] ) || |
| 144 | !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) |
| 145 | ) { |
| 146 | return Status::newFatal( 'config-localsettings-connection-error', '' ); |
| 147 | } |
| 148 | |
| 149 | // Set the relevant variables from LocalSettings.php |
| 150 | $requiredVars = [ 'wgDBtype' ]; |
| 151 | $status = $this->importVariables( $requiredVars, $vars ); |
| 152 | $installer = $this->parent->getDBInstaller(); |
| 153 | $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) ); |
| 154 | if ( !$status->isOK() ) { |
| 155 | return $status; |
| 156 | } |
| 157 | |
| 158 | $this->setVar( '_InstallUser', $vars['wgDBadminuser'] ?? $vars['wgDBuser'] ); |
| 159 | $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] ?? $vars['wgDBpassword'] ); |
| 160 | |
| 161 | // Test the database connection |
| 162 | $status = $installer->getConnection( DatabaseInstaller::CONN_CREATE_DATABASE ); |
| 163 | if ( !$status->isOK() ) { |
| 164 | // Adjust the error message to explain things correctly |
| 165 | $status->replaceMessage( 'config-connection-error', |
| 166 | 'config-localsettings-connection-error' ); |
| 167 | |
| 168 | return $status; |
| 169 | } |
| 170 | |
| 171 | // All good |
| 172 | $this->setVar( '_ExistingDBSettings', true ); |
| 173 | |
| 174 | // Copy $wgAuthenticationTokenVersion too, if it exists |
| 175 | $this->setVar( 'wgAuthenticationTokenVersion', |
| 176 | $vars['wgAuthenticationTokenVersion'] ?? null |
| 177 | ); |
| 178 | |
| 179 | return $status; |
| 180 | } |
| 181 | |
| 182 | } |