--- /dev/null
+<?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(
+ 'wgDBserver',
+ 'wgDBname',
+ 'wgDBuser',
+ 'wgDBpassword',
+ 'wgDBprefix',
+ );
+
+ protected $internalDefaults = array(
+ '_OracleDefTS' => 'USERS',
+ '_OracleTempTS' => 'TEMP',
+ '_InstallUser' => 'SYSDBA',
+ );
+
+ public $minimumVersion = '9.0.1'; // 9iR1
+
+ protected $connError = null;
+
+ public function getName() {
+ return 'oracle';
+ }
+
+ public function isCompiled() {
+ return self::checkExtension( 'oci8' );
+ }
+
+ public function getConnectForm() {
+ if ( $this->getVar( 'wgDBserver' ) == 'localhost' ) {
+ $this->parent->setVar( 'wgDBserver', '' );
+ }
+ return
+ $this->getTextBox( 'wgDBserver', 'config-db-host-oracle', array(), $this->parent->getHelpBox( 'config-db-host-oracle-help' ) ) .
+ Html::openElement( 'fieldset' ) .
+ Html::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', array(), $this->parent->getHelpBox( 'config-db-oracle-help' ) ) .
+ Html::closeElement( 'fieldset' ) .
+ $this->parent->getWarningBox( wfMsg( 'config-db-account-oracle-warn' ) ).
+ $this->getInstallUserBox().
+ $this->getWebUserBox();
+ }
+
+ public function submitInstallUserBox() {
+ parent::submitInstallUserBox();
+ $this->parent->setVar( '_InstallDBname', $this->getVar( '_InstallUser' ) );
+ return Status::newGood();
+ }
+
+ 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 trough multiple scenarios
+ // Scenario 1: Install with a manually created account
+ $status = $this->getConnection();
+ if ( !$status->isOK() ) {
+ if ( $this->connError == 28009 ) {
+ // _InstallUser seems to be a SYSDBA
+ // Scenario 2: Create user with SYSDBA and install with new user
+ $status = $this->submitWebUserBox();
+ if ( !$status->isOK() ) {
+ return $status;
+ }
+ $status = $this->openSYSDBAConnection();
+ if ( !$status->isOK() ) {
+ return $status;
+ }
+ if ( !$this->getVar( '_CreateDBAccount' ) ) {
+ $status->fatal('config-db-sys-create-oracle');
+ }
+ } else {
+ return $status;
+ }
+ } else {
+ // check for web user credentials
+ // Scenario 3: Install with a priviliged user but use a restricted user
+ $statusIS3 = $this->submitWebUserBox();
+ if ( !$statusIS3->isOK() ) {
+ return $statusIS3;
+ }
+ }
+ $conn = $status->value;
+
+ // Check version
+ $version = $conn->getServerVersion();
+ if ( version_compare( $version, $this->minimumVersion ) < 0 ) {
+ return Status::newFatal( 'config-oracle-old', $this->minimumVersion, $version );
+ }
+
+ return $status;
+ }
+
+ public function openConnection() {
+ $status = Status::newGood();
+ try {
+ $db = new DatabaseOracle(
+ $this->getVar( 'wgDBserver' ),
+ $this->getVar( '_InstallUser' ),
+ $this->getVar( '_InstallPassword' ),
+ $this->getVar( '_InstallDBname' ),
+ 0,
+ $this->getVar( 'wgDBprefix' )
+ );
+ $status->value = $db;
+ } catch ( DBConnectionError $e ) {
+ $this->connError = $e->db->lastErrno();
+ $status->fatal( 'config-connection-error', $e->getMessage() );
+ }
+ return $status;
+ }
+
+ public function openSYSDBAConnection() {
+ $status = Status::newGood();
+ try {
+ $db = new DatabaseOracle(
+ $this->getVar( 'wgDBserver' ),
+ $this->getVar( '_InstallUser' ),
+ $this->getVar( '_InstallPassword' ),
+ $this->getVar( '_InstallDBname' ),
+ DBO_SYSDBA,
+ $this->getVar( 'wgDBprefix' )
+ );
+ $status->value = $db;
+ } catch ( DBConnectionError $e ) {
+ $this->connError = $e->db->lastErrno();
+ $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(
+ 'name' => 'user',
+ 'callback' => array( $this, 'setupUser' )
+ );
+ $this->parent->addInstallStep( $callback, 'database' );
+ }
+
+
+ public function setupDatabase() {
+ $status = Status::newGood();
+ return $status;
+ }
+
+ public function setupUser() {
+ global $IP;
+
+ if ( !$this->getVar( '_CreateDBAccount' ) ) {
+ return Status::newGood();
+ }
+
+ // normaly only SYSDBA users can create accounts
+ $status = $this->openSYSDBAConnection();
+ if ( !$status->isOK() ) {
+ if ( $this->connError == 1031 ) {
+ // insufficient privileges (looks like a normal user)
+ $status = $this->openConnection();
+ if ( !$status->isOK() ) {
+ return $status;
+ }
+ } else {
+ return $status;
+ }
+ }
+ $this->db = $status->value;
+ $this->setupSchemaVars();
+
+ if ( !$this->db->selectDB( $this->getVar( 'wgDBuser' ) ) ) {
+ $this->db->setFlag( DBO_DDLMODE );
+ $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 );
+ }
+ } elseif ( $this->db->getFlag( DBO_SYSDBA ) ) {
+ $status->fatal( 'config-db-sys-user-exists-oracle', $this->getVar( 'wgDBuser' ) );
+ }
+
+ if ($status->isOK()) {
+ // user created or already existing, switching back to a normal connection
+ // as the new user has all needed privileges to setup the rest of the schema
+ // i will be using that user as _InstallUser from this point on
+ $this->parent->setVar( '_InstallUser', $this->getVar( 'wgDBuser' ) );
+ $this->parent->setVar( '_InstallPassword', $this->getVar( 'wgDBpassword' ) );
+ $this->parent->setVar( '_InstallDBname', $this->getVar( 'wgDBuser' ) );
+ $status = $this->getConnection();
+ }
+
+ return $status;
+ }
+
+ /**
+ * Overload: after this action field info table has to be rebuilt
+ */
+ public function createTables() {
+ $this->setupSchemaVars();
+ $this->db->selectDB( $this->getVar( 'wgDBuser' ) );
+ $this->db->setFlag( DBO_DDLMODE );
+ $status = parent::createTables();
+ $this->db->clearFlag( DBO_DDLMODE );
+
+ $this->db->query( 'BEGIN fill_wiki_info; END;' );
+
+ return $status;
+ }
+
+ public function getSchemaVars() {
+ $varNames = array(
+ # These variables are used by maintenance/oracle/user.sql
+ '_OracleDefTS',
+ '_OracleTempTS',
+ 'wgDBuser',
+ 'wgDBpassword',
+
+ # These are used by tables.sql
+ 'wgDBprefix',
+ );
+ $vars = array();
+ foreach ( $varNames as $name ) {
+ $vars[$name] = $this->getVar( $name );
+ }
+ return $vars;
+ }
+
+ public function getLocalSettings() {
+ $prefix = $this->getVar( 'wgDBprefix' );
+ return
+"# Oracle specific settings
+\$wgDBprefix = \"{$prefix}\";
+";
+ }
+
+}
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff