/**
* DBMS-specific installation helper.
*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @file
* @ingroup Deployment
*/
*
* TODO: naming this parent is confusing, 'installer' would be clearer.
*
- * @var Installer
+ * @var WebInstaller
*/
public $parent;
public abstract function getName();
/**
- * @return true if the client library is compiled in.
+ * @return bool Returns true if the client library is compiled in.
*/
public abstract function isCompiled();
+ /**
+ * Checks for installation prerequisites other than those checked by isCompiled()
+ * @since 1.19
+ * @return Status
+ */
+ public function checkPrerequisites() {
+ return Status::newGood();
+ }
+
/**
* Get HTML for a web form that configures this database. Configuration
* at this time should be the minimum needed to connect and test
* $this->parent can be assumed to be a WebInstaller.
* If the DB type has no settings beyond those already configured with
* getConnectForm(), this should return false.
+ * @return bool
*/
public function getSettingsForm() {
return false;
}
/**
- * Connect to the database using the administrative user/password currently
- * defined in the session. On success, return the connection, on failure,
- *
- * This may be called multiple times, so the result should be cached.
+ * Open a connection to the database using the administrative user/password
+ * currently defined in the session, without any caching. Returns a status
+ * object. On success, the status object will contain a Database object in
+ * its value member.
*
* @return Status
*/
- public abstract function getConnection();
+ public abstract function openConnection();
/**
* Create the database and return a Status object indicating success or
*/
public abstract function setupDatabase();
+ /**
+ * Connect to the database using the administrative user/password currently
+ * defined in the session. Returns a status object. On success, the status
+ * object will contain a Database object in its value member.
+ *
+ * This will return a cached connection if one is available.
+ *
+ * @return Status
+ */
+ public function getConnection() {
+ if ( $this->db ) {
+ return Status::newGood( $this->db );
+ }
+
+ $status = $this->openConnection();
+ if ( $status->isOK() ) {
+ $this->db = $status->value;
+ // Enable autocommit
+ $this->db->clearFlag( DBO_TRX );
+ $this->db->commit( __METHOD__ );
+ }
+ return $status;
+ }
+
/**
* Create database tables from scratch.
*
}
$this->db->selectDB( $this->getVar( 'wgDBname' ) );
- if( $this->db->tableExists( 'user' ) ) {
+ if( $this->db->tableExists( 'archive', __METHOD__ ) ) {
$status->warning( 'config-install-tables-exist' );
+ $this->enableLB();
return $status;
}
$this->db->setFlag( DBO_DDLMODE ); // For Oracle's handling of schema files
$this->db->begin( __METHOD__ );
- $error = $this->db->sourceFile( $this->db->getSchema() );
+ $error = $this->db->sourceFile( $this->db->getSchemaPath() );
if( $error !== true ) {
$this->db->reportQueryError( $error, 0, '', __METHOD__ );
$this->db->rollback( __METHOD__ );
}
// Resume normal operations
if( $status->isOk() ) {
- LBFactory::enableBackend();
+ $this->enableLB();
}
return $status;
}
+ /**
+ * Create the tables for each extension the user enabled
+ * @return Status
+ */
+ public function createExtensionTables() {
+ $status = $this->getConnection();
+ if ( !$status->isOK() ) {
+ return $status;
+ }
+
+ // Now run updates to create tables for old extensions
+ DatabaseUpdater::newForDB( $this->db )->doUpdates( array( 'extensions' ) );
+
+ return $status;
+ }
+
/**
* Get the DBMS-specific options for LocalSettings.php generation.
*
*/
public abstract function getLocalSettings();
+ /**
+ * Override this to provide DBMS-specific schema variables, to be
+ * substituted into tables.sql and other schema files.
+ * @return array
+ */
+ public function getSchemaVars() {
+ return array();
+ }
+
+ /**
+ * Set appropriate schema variables in the current database connection.
+ *
+ * This should be called after any request data has been imported, but before
+ * any write operations to the database.
+ */
+ public function setupSchemaVars() {
+ $status = $this->getConnection();
+ if ( $status->isOK() ) {
+ $status->value->setSchemaVars( $this->getSchemaVars() );
+ } else {
+ throw new MWException( __METHOD__.': unexpected DB connection error' );
+ }
+ }
+
+ /**
+ * Set up LBFactory so that wfGetDB() etc. works.
+ * We set up a special LBFactory instance which returns the current
+ * installer connection.
+ */
+ public function enableLB() {
+ $status = $this->getConnection();
+ if ( !$status->isOK() ) {
+ throw new MWException( __METHOD__.': unexpected DB connection error' );
+ }
+ LBFactory::setInstance( new LBFactory_Single( array(
+ 'connection' => $status->value ) ) );
+ }
+
/**
* Perform database upgrades
*
* @return Boolean
*/
public function doUpgrade() {
- # Maintenance scripts like wfGetDB()
- LBFactory::enableBackend();
+ $this->setupSchemaVars();
+ $this->enableLB();
$ret = true;
ob_start( array( $this, 'outputHandler' ) );
$up = DatabaseUpdater::newForDB( $this->db );
$up->doUpdates();
} catch ( MWException $e ) {
- echo "\nAn error occured:\n";
+ echo "\nAn error occurred:\n";
echo $e->getText();
$ret = false;
}
/**
* Get an array of MW configuration globals that will be configured by this class.
+ * @return array
*/
public function getGlobalNames() {
return $this->globalNames;
}
- /**
- * Return any table options to be applied to all tables that don't
- * override them.
- *
- * @return Array
- */
- public function getTableOptions() {
- return array();
- }
-
/**
* Construct and initialise parent.
* This is typically only called from Installer::getDBInstaller()
+ * @param $parent
*/
public function __construct( $parent ) {
$this->parent = $parent;
* Check if a named extension is present.
*
* @see wfDl
+ * @param $name
+ * @return bool
*/
protected static function checkExtension( $name ) {
wfSuppressWarnings();
/**
* Get the internationalised name for this DBMS.
+ * @return String
*/
public function getReadableName() {
return wfMsg( 'config-type-' . $this->getName() );
/**
* Get a name=>value map of MW configuration globals that overrides.
* DefaultSettings.php
+ * @return array
*/
public function getGlobalDefaults() {
return array();
/**
* Get a name=>value map of internal variables used during installation.
+ * @return array
*/
public function getInternalDefaults() {
return $this->internalDefaults;
/**
* Get a variable, taking local defaults into account.
+ * @param $var string
+ * @param $default null
+ * @return mixed
*/
public function getVar( $var, $default = null ) {
$defaults = $this->getGlobalDefaults();
/**
* Convenience alias for $this->parent->setVar()
+ * @param $name string
+ * @param $value mixed
*/
public function setVar( $name, $value ) {
$this->parent->setVar( $name, $value );
/**
* Get a labelled text box to configure a local variable.
+ *
+ * @param $var string
+ * @param $label string
+ * @param $attribs array
+ * @param $helpData string
+ * @return string
*/
public function getTextBox( $var, $label, $attribs = array(), $helpData = "" ) {
$name = $this->getName() . '_' . $var;
/**
* Get a labelled password box to configure a local variable.
* Implements password hiding.
+ *
+ * @param $var string
+ * @param $label string
+ * @param $attribs array
+ * @param $helpData string
+ * @return string
*/
public function getPasswordBox( $var, $label, $attribs = array(), $helpData = "" ) {
$name = $this->getName() . '_' . $var;
/**
* Get a labelled checkbox to configure a local boolean variable.
+ *
+ * @return string
*/
public function getCheckBox( $var, $label, $attribs = array(), $helpData = "" ) {
$name = $this->getName() . '_' . $var;
* values: List of allowed values (required)
* itemAttribs Array of attribute arrays, outer key is the value name (optional)
*
+ * @return string
*/
public function getRadioSet( $params ) {
$params['controlName'] = $this->getName() . '_' . $params['var'];
* Assumes that variables containing "password" in the name are (potentially
* fake) passwords.
* @param $varNames Array
+ * @return array
*/
public function setVarsFromRequest( $varNames ) {
return $this->parent->setVarsFromRequest( $varNames, $this->getName() . '_' );
if ( !$this->db->selectDB( $this->getVar( 'wgDBname' ) ) ) {
return false;
}
- return $this->db->tableExists( 'cur' ) || $this->db->tableExists( 'revision' );
+ return $this->db->tableExists( 'cur', __METHOD__ ) || $this->db->tableExists( 'revision', __METHOD__ );
}
/**
* Get a standard install-user fieldset.
+ *
+ * @return String
*/
public function getInstallUserBox() {
return
Html::openElement( 'fieldset' ) .
Html::element( 'legend', array(), wfMsg( 'config-db-install-account' ) ) .
- $this->getTextBox( '_InstallUser', 'config-db-username', array(), $this->parent->getHelpBox( 'config-db-install-username' ) ) .
- $this->getPasswordBox( '_InstallPassword', 'config-db-password', array(), $this->parent->getHelpBox( 'config-db-install-password' ) ) .
+ $this->getTextBox( '_InstallUser', 'config-db-username', array( 'dir' => 'ltr' ), $this->parent->getHelpBox( 'config-db-install-username' ) ) .
+ $this->getPasswordBox( '_InstallPassword', 'config-db-password', array( 'dir' => 'ltr' ), $this->parent->getHelpBox( 'config-db-install-password' ) ) .
Html::closeElement( 'fieldset' );
}
/**
* Submit a standard install user fieldset.
+ * @return Status
*/
public function submitInstallUserBox() {
$this->setVarsFromRequest( array( '_InstallUser', '_InstallPassword' ) );
* Get a standard web-user fieldset
* @param $noCreateMsg String: Message to display instead of the creation checkbox.
* Set this to false to show a creation checkbox.
+ *
+ * @return String
*/
public function getWebUserBox( $noCreateMsg = false ) {
+ $wrapperStyle = $this->getVar( '_SameAccount' ) ? 'display: none' : '';
$s = Html::openElement( 'fieldset' ) .
Html::element( 'legend', array(), wfMsg( 'config-db-web-account' ) ) .
$this->getCheckBox(
'_SameAccount', 'config-db-web-account-same',
array( 'class' => 'hideShowRadio', 'rel' => 'dbOtherAccount' )
) .
- Html::openElement( 'div', array( 'id' => 'dbOtherAccount', 'style' => 'display: none;' ) ) .
+ Html::openElement( 'div', array( 'id' => 'dbOtherAccount', 'style' => $wrapperStyle ) ) .
$this->getTextBox( 'wgDBuser', 'config-db-username' ) .
$this->getPasswordBox( 'wgDBpassword', 'config-db-password' ) .
$this->parent->getHelpBox( 'config-db-web-help' );
$this->setVar( 'wgDBpassword', $this->getVar( '_InstallPassword' ) );
}
+ if( $this->getVar( '_CreateDBAccount' ) && strval( $this->getVar( 'wgDBpassword' ) ) == '' ) {
+ return Status::newFatal( 'config-db-password-empty', $this->getVar( 'wgDBuser' ) );
+ }
+
return Status::newGood();
}
/**
* Common function for databases that don't understand the MySQLish syntax of interwiki.sql.
+ *
+ * @return Status
*/
public function populateInterwikiTable() {
$status = $this->getConnection();
return $status;
}
global $IP;
+ wfSuppressWarnings();
$rows = file( "$IP/maintenance/interwiki.list",
FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES );
+ wfRestoreWarnings();
$interwikis = array();
if ( !$rows ) {
- return Status::newFatal( 'config-install-interwiki-sql' );
+ return Status::newFatal( 'config-install-interwiki-list' );
}
foreach( $rows as $row ) {
$row = preg_replace( '/^\s*([^#]*?)\s*(#.*)?$/', '\\1', $row ); // strip comments - whee