+
+}
+
+class WebInstaller_ExistingWiki extends WebInstallerPage {
+ public function execute() {
+ // If there is no LocalSettings.php, continue to the installer welcome page
+ $vars = Installer::getExistingLocalSettings();
+ if ( !$vars ) {
+ return 'skip';
+ }
+
+ // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
+ if ( $vars['wgUpgradeKey'] !== false
+ && $this->getVar( '_UpgradeKeySupplied' )
+ && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
+ {
+ // It's there, so the user is authorized
+ $status = $this->handleExistingUpgrade( $vars );
+ if ( $status->isOK() ) {
+ return 'skip';
+ } else {
+ $this->startForm();
+ $this->parent->showStatusBox( $status );
+ $this->endForm( 'continue' );
+ return 'output';
+ }
+ }
+
+ // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
+ if ( $vars['wgUpgradeKey'] === false ) {
+ if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
+ $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
+ $this->parent->generateKeys();
+ $this->setVar( 'wgSecretKey', $secretKey );
+ $this->setVar( '_UpgradeKeySupplied', true );
+ }
+ $this->startForm();
+ $this->addHTML( $this->parent->getInfoBox(
+ wfMsgNoTrans( 'config-upgrade-key-missing',
+ "<pre>\$wgUpgradeKey = '" . $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )
+ ) );
+ $this->endForm( 'continue' );
+ return 'output';
+ }
+
+ // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
+
+ $r = $this->parent->request;
+ if ( $r->wasPosted() ) {
+ $key = $r->getText( 'config_wgUpgradeKey' );
+ if( !$key || $key !== $vars['wgUpgradeKey'] ) {
+ $this->parent->showError( 'config-localsettings-badkey' );
+ $this->showKeyForm();
+ return 'output';
+ }
+ // Key was OK
+ $status = $this->handleExistingUpgrade( $vars );
+ if ( $status->isOK() ) {
+ return 'continue';
+ } else {
+ $this->parent->showStatusBox( $status );
+ $this->showKeyForm();
+ return 'output';
+ }
+ } else {
+ $this->showKeyForm();
+ return 'output';
+ }
+ }
+
+ /**
+ * Show the "enter key" form
+ */
+ protected function showKeyForm() {
+ $this->startForm();
+ $this->addHTML(
+ $this->parent->getInfoBox( wfMsgNoTrans( 'config-localsettings-upgrade' ) ).
+ '<br />' .
+ $this->parent->getTextBox( array(
+ 'var' => 'wgUpgradeKey',
+ 'label' => 'config-localsettings-key',
+ 'attribs' => array( 'autocomplete' => 'off' ),
+ ) )
+ );
+ $this->endForm( 'continue' );
+ }
+
+ protected function importVariables( $names, $vars ) {
+ $status = Status::newGood();
+ foreach ( $names as $name ) {
+ if ( !isset( $vars[$name] ) ) {
+ $status->fatal( 'config-localsettings-incomplete', $name );
+ }
+ $this->setVar( $name, $vars[$name] );
+ }
+ return $status;
+ }
+
+ /**
+ * Initiate an upgrade of the existing database
+ * @param $vars Variables from LocalSettings.php and AdminSettings.php
+ * @return Status
+ */
+ protected function handleExistingUpgrade( $vars ) {
+ // Check $wgDBtype
+ if ( !isset( $vars['wgDBtype'] ) ||
+ !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
+ return Status::newFatal( 'config-localsettings-connection-error', '' );
+ }
+
+ // Set the relevant variables from LocalSettings.php
+ $requiredVars = array( 'wgDBtype' );
+ $status = $this->importVariables( $requiredVars , $vars );
+ $installer = $this->parent->getDBInstaller();
+ $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
+ if ( !$status->isOK() ) {
+ return $status;
+ }
+
+ if ( isset( $vars['wgDBadminuser'] ) ) {
+ $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
+ } else {
+ $this->setVar( '_InstallUser', $vars['wgDBuser'] );
+ }
+ if ( isset( $vars['wgDBadminpassword'] ) ) {
+ $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
+ } else {
+ $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
+ }
+
+ // Test the database connection
+ $status = $installer->getConnection();
+ if ( !$status->isOK() ) {
+ // Adjust the error message to explain things correctly
+ $status->replaceMessage( 'config-connection-error',
+ 'config-localsettings-connection-error' );
+ return $status;
+ }
+
+ // All good
+ $this->setVar( '_ExistingDBSettings', true );
+ return $status;
+ }