]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - includes/installer/SqliteInstaller.php
MediaWiki 1.30.2
[autoinstallsdev/mediawiki.git] / includes / installer / SqliteInstaller.php
index 2edb3d9bd64aa3c3be0562ab50bb34050e8be85b..d5909f4e1fb4f3b45a7427ad211a0f5ea19caa07 100644 (file)
@@ -2,10 +2,29 @@
 /**
  * Sqlite-specific installer.
  *
+ * 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
  */
 
+use Wikimedia\Rdbms\Database;
+use Wikimedia\Rdbms\DatabaseSqlite;
+use Wikimedia\Rdbms\DBConnectionError;
+
 /**
  * Class for setting up the MediaWiki database using SQLLite.
  *
  */
 class SqliteInstaller extends DatabaseInstaller {
 
-       protected $globalNames = array(
+       public static $minimumVersion = '3.3.7';
+       protected static $notMiniumumVerisonMessage = 'config-outdated-sqlite';
+
+       /**
+        * @var DatabaseSqlite
+        */
+       public $db;
+
+       protected $globalNames = [
                'wgDBname',
                'wgSQLiteDataDir',
-       );
+       ];
 
        public function getName() {
                return 'sqlite';
@@ -27,67 +54,115 @@ class SqliteInstaller extends DatabaseInstaller {
                return self::checkExtension( 'pdo_sqlite' );
        }
 
+       /**
+        *
+        * @return Status
+        */
+       public function checkPrerequisites() {
+               // Bail out if SQLite is too old
+               $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
+               $result = static::meetsMinimumRequirement( $db->getServerVersion() );
+               // Check for FTS3 full-text search module
+               if ( DatabaseSqlite::getFulltextSearchModule() != 'FTS3' ) {
+                       $result->warning( 'config-no-fts3' );
+               }
+
+               return $result;
+       }
+
        public function getGlobalDefaults() {
+               $defaults = parent::getGlobalDefaults();
                if ( isset( $_SERVER['DOCUMENT_ROOT'] ) ) {
                        $path = str_replace(
-                               array( '/', '\\' ),
+                               [ '/', '\\' ],
                                DIRECTORY_SEPARATOR,
                                dirname( $_SERVER['DOCUMENT_ROOT'] ) . '/data'
                        );
-                       return array( 'wgSQLiteDataDir' => $path );
-               } else {
-                       return array();
+
+                       $defaults['wgSQLiteDataDir'] = $path;
                }
+               return $defaults;
        }
 
        public function getConnectForm() {
-               return $this->getTextBox( 'wgSQLiteDataDir', 'config-sqlite-dir', array(), $this->parent->getHelpBox( 'config-sqlite-dir-help' ) ) .
-                       $this->getTextBox( 'wgDBname', 'config-db-name', array(), $this->parent->getHelpBox( 'config-sqlite-name-help' ) );
+               return $this->getTextBox(
+                       'wgSQLiteDataDir',
+                       'config-sqlite-dir', [],
+                       $this->parent->getHelpBox( 'config-sqlite-dir-help' )
+               ) .
+               $this->getTextBox(
+                       'wgDBname',
+                       'config-db-name',
+                       [],
+                       $this->parent->getHelpBox( 'config-sqlite-name-help' )
+               );
        }
 
-       /*
+       /**
         * Safe wrapper for PHP's realpath() that fails gracefully if it's unable to canonicalize the path.
+        *
+        * @param string $path
+        *
+        * @return string
         */
        private static function realpath( $path ) {
                $result = realpath( $path );
                if ( !$result ) {
                        return $path;
                }
+
                return $result;
        }
 
+       /**
+        * @return Status
+        */
        public function submitConnectForm() {
-               $this->setVarsFromRequest( array( 'wgSQLiteDataDir', 'wgDBname' ) );
+               $this->setVarsFromRequest( [ 'wgSQLiteDataDir', 'wgDBname' ] );
 
                # Try realpath() if the directory already exists
                $dir = self::realpath( $this->getVar( 'wgSQLiteDataDir' ) );
                $result = self::dataDirOKmaybeCreate( $dir, true /* create? */ );
-               if ( $result->isOK() )
-               {
+               if ( $result->isOK() ) {
                        # Try expanding again in case we've just created it
                        $dir = self::realpath( $dir );
                        $this->setVar( 'wgSQLiteDataDir', $dir );
                }
+               # Table prefix is not used on SQLite, keep it empty
+               $this->setVar( 'wgDBprefix', '' );
+
                return $result;
        }
 
+       /**
+        * @param string $dir
+        * @param bool $create
+        * @return Status
+        */
        private static function dataDirOKmaybeCreate( $dir, $create = false ) {
                if ( !is_dir( $dir ) ) {
                        if ( !is_writable( dirname( $dir ) ) ) {
                                $webserverGroup = Installer::maybeGetWebserverPrimaryGroup();
                                if ( $webserverGroup !== null ) {
-                                       return Status::newFatal( 'config-sqlite-parent-unwritable-group', $dir, dirname( $dir ), basename( $dir ), $webserverGroup );
+                                       return Status::newFatal(
+                                               'config-sqlite-parent-unwritable-group',
+                                               $dir, dirname( $dir ), basename( $dir ),
+                                               $webserverGroup
+                                       );
                                } else {
-                                       return Status::newFatal( 'config-sqlite-parent-unwritable-nogroup', $dir, dirname( $dir ), basename( $dir ) );
+                                       return Status::newFatal(
+                                               'config-sqlite-parent-unwritable-nogroup',
+                                               $dir, dirname( $dir ), basename( $dir )
+                                       );
                                }
                        }
 
                        # Called early on in the installer, later we just want to sanity check
                        # if it's still writable
                        if ( $create ) {
-                               wfSuppressWarnings();
-                               $ok = wfMkdirParents( $dir, 0700 );
-                               wfRestoreWarnings();
+                               MediaWiki\suppressWarnings();
+                               $ok = wfMkdirParents( $dir, 0700, __METHOD__ );
+                               MediaWiki\restoreWarnings();
                                if ( !$ok ) {
                                        return Status::newFatal( 'config-sqlite-mkdir-error', $dir );
                                }
@@ -103,24 +178,27 @@ class SqliteInstaller extends DatabaseInstaller {
                return Status::newGood();
        }
 
+       /**
+        * @return Status
+        */
        public function openConnection() {
-               global $wgSQLiteDataDir;
-
                $status = Status::newGood();
                $dir = $this->getVar( 'wgSQLiteDataDir' );
                $dbName = $this->getVar( 'wgDBname' );
                try {
-                       # FIXME: need more sensible constructor parameters, e.g. single associative array
-                       # Setting globals kind of sucks
-                       $wgSQLiteDataDir = $dir;
-                       $db = new DatabaseSqlite( false, false, false, $dbName );
+                       # @todo FIXME: Need more sensible constructor parameters, e.g. single associative array
+                       $db = Database::factory( 'sqlite', [ 'dbname' => $dbName, 'dbDirectory' => $dir ] );
                        $status->value = $db;
                } catch ( DBConnectionError $e ) {
                        $status->fatal( 'config-sqlite-connection-error', $e->getMessage() );
                }
+
                return $status;
        }
 
+       /**
+        * @return bool
+        */
        public function needsUpgrade() {
                $dir = $this->getVar( 'wgSQLiteDataDir' );
                $dbName = $this->getVar( 'wgDBname' );
@@ -133,6 +211,9 @@ class SqliteInstaller extends DatabaseInstaller {
                return parent::needsUpgrade();
        }
 
+       /**
+        * @return Status
+        */
        public function setupDatabase() {
                $dir = $this->getVar( 'wgSQLiteDataDir' );
 
@@ -144,6 +225,51 @@ class SqliteInstaller extends DatabaseInstaller {
                }
 
                $db = $this->getVar( 'wgDBname' );
+
+               # Make the main and cache stub DB files
+               $status = Status::newGood();
+               $status->merge( $this->makeStubDBFile( $dir, $db ) );
+               $status->merge( $this->makeStubDBFile( $dir, "wikicache" ) );
+               if ( !$status->isOK() ) {
+                       return $status;
+               }
+
+               # Nuke the unused settings for clarity
+               $this->setVar( 'wgDBserver', '' );
+               $this->setVar( 'wgDBuser', '' );
+               $this->setVar( 'wgDBpassword', '' );
+               $this->setupSchemaVars();
+
+               # Create the global cache DB
+               try {
+                       $conn = Database::factory( 'sqlite', [ 'dbname' => 'wikicache', 'dbDirectory' => $dir ] );
+                       # @todo: don't duplicate objectcache definition, though it's very simple
+                       $sql =
+<<<EOT
+       CREATE TABLE IF NOT EXISTS objectcache (
+               keyname BLOB NOT NULL default '' PRIMARY KEY,
+               value BLOB,
+               exptime TEXT
+       )
+EOT;
+                       $conn->query( $sql );
+                       $conn->query( "CREATE INDEX IF NOT EXISTS exptime ON objectcache (exptime)" );
+                       $conn->query( "PRAGMA journal_mode=WAL" ); // this is permanent
+                       $conn->close();
+               } catch ( DBConnectionError $e ) {
+                       return Status::newFatal( 'config-sqlite-connection-error', $e->getMessage() );
+               }
+
+               # Open the main DB
+               return $this->getConnection();
+       }
+
+       /**
+        * @param string $dir
+        * @param string $db
+        * @return Status
+        */
+       protected function makeStubDBFile( $dir, $db ) {
                $file = DatabaseSqlite::generateFileName( $dir, $db );
                if ( file_exists( $file ) ) {
                        if ( !is_writable( $file ) ) {
@@ -154,37 +280,56 @@ class SqliteInstaller extends DatabaseInstaller {
                                return Status::newFatal( 'config-sqlite-cant-create-db', $file );
                        }
                }
-               // nuke the unused settings for clarity
-               $this->setVar( 'wgDBserver', '' );
-               $this->setVar( 'wgDBuser', '' );
-               $this->setVar( 'wgDBpassword', '' );
-               $this->setupSchemaVars();
-               return $this->getConnection();
+
+               return Status::newGood();
        }
 
+       /**
+        * @return Status
+        */
        public function createTables() {
                $status = parent::createTables();
+
                return $this->setupSearchIndex( $status );
        }
 
+       /**
+        * @param Status &$status
+        * @return Status
+        */
        public function setupSearchIndex( &$status ) {
                global $IP;
 
                $module = DatabaseSqlite::getFulltextSearchModule();
                $fts3tTable = $this->db->checkForEnabledSearch();
-               if ( $fts3tTable &&  !$module ) {
+               if ( $fts3tTable && !$module ) {
                        $status->warning( 'config-sqlite-fts3-downgrade' );
                        $this->db->sourceFile( "$IP/maintenance/sqlite/archives/searchindex-no-fts.sql" );
                } elseif ( !$fts3tTable && $module == 'FTS3' ) {
                        $this->db->sourceFile( "$IP/maintenance/sqlite/archives/searchindex-fts3.sql" );
                }
+
                return $status;
        }
 
+       /**
+        * @return string
+        */
        public function getLocalSettings() {
                $dir = LocalSettingsGenerator::escapePhpString( $this->getVar( 'wgSQLiteDataDir' ) );
-               return
-"# SQLite-specific settings
-\$wgSQLiteDataDir    = \"{$dir}\";";
+
+               return "# SQLite-specific settings
+\$wgSQLiteDataDir = \"{$dir}\";
+\$wgObjectCaches[CACHE_DB] = [
+       'class' => 'SqlBagOStuff',
+       'loggroup' => 'SQLBagOStuff',
+       'server' => [
+               'type' => 'sqlite',
+               'dbname' => 'wikicache',
+               'tablePrefix' => '',
+               'dbDirectory' => \$wgSQLiteDataDir,
+               'flags' => 0
+       ]
+];";
        }
 }