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<?php
/**
* Oracle-specific installer.
*
* @file
* @ingroup Deployment
*/
/**
* Class for setting up the MediaWiki database using Oracle.
*
* @ingroup Deployment
* @since 1.17
*/
class OracleInstaller extends DatabaseInstaller {
protected $globalNames = array(
'wgDBport',
'wgDBname',
'wgDBuser',
'wgDBpassword',
'wgDBprefix',
);
protected $internalDefaults = array(
'_OracleDefTS' => 'USERS',
'_OracleTempTS' => 'TEMP',
'_OracleUseSysdba' => true
);
public function getName() {
return 'oracle';
}
public function isCompiled() {
return self::checkExtension( 'oci8' );
}
public function getWebUserBox( $noCreateMsg = false ) {
$name = $this->getName();
$this->parent->setVar( '_SameAccount', false );
$this->parent->setVar( '_CreateDBAccount', true );
$this->parent->setVar( 'wgDBname', '' );
return Xml::openElement( 'fieldset' ) .
Xml::element( 'legend', array(), wfMsg( 'config-db-web-account' ) ) .
Xml::openElement( 'div', array( 'id' => 'dbOtherAccount' ) ) .
$this->getTextBox( 'wgDBuser', 'config-db-username' ) .
$this->getPasswordBox( 'wgDBpassword', 'config-db-password' ) .
$this->parent->getHelpBox( 'config-db-web-help' ).
$this->getCheckBox( '_CreateDBAccount', 'config-db-web-create', array( 'disabled' => true ) ).
Xml::closeElement( 'div' ) . Xml::closeElement( 'fieldset' );
}
public function getConnectForm() {
$this->parent->setVar( '_InstallUser', 'sys' );
$this->parent->setVar( 'wgDBserver', '' );
return
$this->getTextBox( 'wgDBserver', 'config-db-host-oracle' ) .
$this->parent->getHelpBox( 'config-db-host-oracle-help' ) .
Xml::openElement( 'fieldset' ) .
Xml::element( 'legend', array(), wfMsg( 'config-db-wiki-settings' ) ) .
$this->getTextBox( 'wgDBprefix', 'config-db-prefix' ) .
$this->getTextBox( '_OracleDefTS', 'config-oracle-def-ts' ) .
$this->getTextBox( '_OracleTempTS', 'config-oracle-temp-ts' ) .
$this->parent->getHelpBox( 'config-db-oracle-help' ) .
Xml::closeElement( 'fieldset' ) .
$this->getInstallUserBox().
$this->getWebUserBox();
}
public function submitConnectForm() {
// Get variables from the request
$newValues = $this->setVarsFromRequest( array( 'wgDBserver', 'wgDBprefix', 'wgDBuser', 'wgDBpassword' ) );
$this->parent->setVar( 'wgDBname', $this->getVar( 'wgDBuser' ) );
// Validate them
$status = Status::newGood();
if ( !strlen( $newValues['wgDBserver'] ) ) {
$status->fatal( 'config-missing-db-server-oracle' );
} elseif ( !preg_match( '/^[a-zA-Z0-9_\.]+$/', $newValues['wgDBserver'] ) ) {
$status->fatal( 'config-invalid-db-server-oracle', $newValues['wgDBserver'] );
}
if ( !preg_match( '/^[a-zA-Z0-9_]*$/', $newValues['wgDBprefix'] ) ) {
$status->fatal( 'config-invalid-schema', $newValues['wgDBprefix'] );
}
if ( !$status->isOK() ) {
return $status;
}
// Submit user box
$status = $this->submitInstallUserBox();
if ( !$status->isOK() ) {
return $status;
}
// Try to connect
$status = $this->getConnection();
if ( !$status->isOK() ) {
return $status;
}
$conn = $status->value;
/*
// Check version
$version = $conn->getServerVersion();
if ( version_compare( $version, $this->minimumVersion ) < 0 ) {
return Status::newFatal( 'config-mysql-old', $this->minimumVersion, $version );
}
*/
return $status;
}
public function getConnection() {
$status = Status::newGood();
try {
if ( $this->getVar( '_OracleUseSysdba' ) ) {
$this->db = new DatabaseOracle(
$this->getVar( 'wgDBserver' ),
$this->getVar( '_InstallUser' ),
$this->getVar( '_InstallPassword' ),
$this->getVar( 'wgDBname' ),
false,
DBO_SYSDBA,
$this->getVar( 'wgDBprefix' )
);
} else {
$this->db = new DatabaseOracle(
$this->getVar( 'wgDBserver' ),
$this->getVar( 'wgDBuser' ),
$this->getVar( 'wgDBpassword' ),
$this->getVar( 'wgDBname' ),
false,
0,
$this->getVar( 'wgDBprefix' )
);
}
$status->value = $this->db;
} catch ( DBConnectionError $e ) {
$status->fatal( 'config-connection-error', $e->getMessage() );
}
return $status;
}
public function needsUpgrade() {
$tempDBname = $this->getVar( 'wgDBname' );
$this->parent->setVar( 'wgDBname', $this->getVar( 'wgDBuser' ) );
$retVal = parent::needsUpgrade();
$this->parent->setVar( 'wgDBname', $tempDBname );
return $retVal;
}
public function preInstall() {
# Add our user callback to installSteps, right before the tables are created.
$callback = array(
array(
'name' => 'user',
'callback' => array( $this, 'setupUser' ),
)
);
$this->parent->addInstallStepFollowing( "database", $callback );
}
public function setupDatabase() {
$this->parent->setVar( '_OracleUseSysdba', false );
$status = Status::newGood();
return $status;
}
public function setupUser() {
global $IP;
if ( !$this->getVar( '_CreateDBAccount' ) ) {
return Status::newGood();
}
$status = $this->getConnection();
if ( !$status->isOK() ) {
return $status;
}
global $_OracleDefTS, $_OracleTempTS;
$_OracleDefTS = $this->getVar( '_OracleDefTS' );
$_OracleTempTS = $this->getVar( '_OracleTempTS' );
$error = $this->db->sourceFile( "$IP/maintenance/oracle/user.sql" );
if ( $error !== true || !$this->db->selectDB( $this->getVar( 'wgDBuser' ) ) ) {
$status->fatal( 'config-install-user-failed', $this->getVar( 'wgDBuser' ), $error );
}
return $status;
}
public function getLocalSettings() {
$prefix = $this->getVar( 'wgDBprefix' );
return
"# Oracle specific settings
\$wgDBprefix = \"{$prefix}\";";
}
public function doUpgrade() {
// TODO
return false;
}
}
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