The beginnings of HipHop compiled mode support. It works now for parser cache hits.
[lhc/web/wiklou.git] / includes / installer / PostgresInstaller.php
index 75ff055..c237a11 100644 (file)
@@ -5,10 +5,10 @@
  * @file
  * @ingroup Deployment
  */
+
 /**
  * Class for setting up the MediaWiki database using Postgres.
- * 
+ *
  * @ingroup Deployment
  * @since 1.17
  */
@@ -21,10 +21,10 @@ class PostgresInstaller extends DatabaseInstaller {
                'wgDBuser',
                'wgDBpassword',
                'wgDBmwschema',
-               'wgDBts2schema',
        );
 
-       var $minimumVersion = '8.1';
+       var $minimumVersion = '8.3';
+       private $useAdmin = false;
 
        function getName() {
                return 'postgres';
@@ -35,25 +35,26 @@ class PostgresInstaller extends DatabaseInstaller {
        }
 
        function getConnectForm() {
+               // If this is our first time here, switch the default user presented in the form
+               if ( ! $this->getVar('_switchedInstallUser') ) {
+                       $this->setVar('_InstallUser', 'postgres');
+                       $this->setVar('_switchedInstallUser', true);
+               }
                return
-                       $this->getTextBox( 'wgDBserver', 'config-db-host' ) .
-                       $this->parent->getHelpBox( 'config-db-host-help' ) . 
+                       $this->getTextBox( 'wgDBserver', 'config-db-host', array(), $this->parent->getHelpBox( 'config-db-host-help' ) ) .
                        $this->getTextBox( 'wgDBport', 'config-db-port' ) .
-                       Xml::openElement( 'fieldset' ) .
-                       Xml::element( 'legend', array(), wfMsg( 'config-db-wiki-settings' ) ) .
-                       $this->getTextBox( 'wgDBname', 'config-db-name' ) .
-                       $this->parent->getHelpBox( 'config-db-name-help' ) .
-                       $this->getTextBox( 'wgDBmwschema', 'config-db-schema' ) .
-                       $this->getTextBox( 'wgDBts2schema', 'config-db-ts2-schema' ) .
-                       $this->parent->getHelpBox( 'config-db-schema-help' ) .
-                       Xml::closeElement( 'fieldset' ) .
+                       Html::openElement( 'fieldset' ) .
+                       Html::element( 'legend', array(), wfMsg( 'config-db-wiki-settings' ) ) .
+                       $this->getTextBox( 'wgDBname', 'config-db-name', array(), $this->parent->getHelpBox( 'config-db-name-help' ) ) .
+                       $this->getTextBox( 'wgDBmwschema', 'config-db-schema', array(), $this->parent->getHelpBox( 'config-db-schema-help' ) ) .
+                       Html::closeElement( 'fieldset' ) .
                        $this->getInstallUserBox();
        }
 
        function submitConnectForm() {
                // Get variables from the request
-               $newValues = $this->setVarsFromRequest( array( 'wgDBserver', 'wgDBport', 
-                       'wgDBname', 'wgDBmwschema', 'wgDBts2schema' ) );
+               $newValues = $this->setVarsFromRequest( array( 'wgDBserver', 'wgDBport',
+                       'wgDBname', 'wgDBmwschema' ) );
 
                // Validate them
                $status = Status::newGood();
@@ -65,9 +66,6 @@ class PostgresInstaller extends DatabaseInstaller {
                if ( !preg_match( '/^[a-zA-Z0-9_]*$/', $newValues['wgDBmwschema'] ) ) {
                        $status->fatal( 'config-invalid-schema', $newValues['wgDBmwschema'] );
                }
-               if ( !preg_match( '/^[a-zA-Z0-9_]*$/', $newValues['wgDBts2schema'] ) ) {
-                       $status->fatal( 'config-invalid-ts2schema', $newValues['wgDBts2schema'] );
-               }
 
                // Submit user box
                if ( $status->isOK() ) {
@@ -77,9 +75,16 @@ class PostgresInstaller extends DatabaseInstaller {
                        return $status;
                }
 
+               $this->useAdmin = true;
                // Try to connect
-               if ( $status->isOK() ) {
-                       $status->merge( $this->getConnection() );
+               $status->merge( $this->getConnection() );
+               if ( !$status->isOK() ) {
+                       return $status;
+               }
+
+               //Make sure install user can create
+               if( !$this->canCreateAccounts() ) {
+                       $status->fatal( 'config-pg-no-create-privs' );
                }
                if ( !$status->isOK() ) {
                        return $status;
@@ -96,34 +101,214 @@ class PostgresInstaller extends DatabaseInstaller {
                return $status;
        }
 
-       function getConnection() {
+       public function openConnection() {
                $status = Status::newGood();
-
                try {
-                       $this->db = new DatabasePostgres(
-                               $this->getVar( 'wgDBserver' ),
-                               $this->getVar( '_InstallUser' ),
-                               $this->getVar( '_InstallPassword' ),
-                               $this->getVar( 'wgDBname' ) );
-                       $status->value = $this->db;
+                       if ( $this->useAdmin ) {
+                               $db = new DatabasePostgres(
+                                       $this->getVar( 'wgDBserver' ),
+                                       $this->getVar( '_InstallUser' ),
+                                       $this->getVar( '_InstallPassword' ),
+                                       'postgres' );
+                       } else {
+                               $db = new DatabasePostgres(
+                                       $this->getVar( 'wgDBserver' ),
+                                       $this->getVar( 'wgDBuser' ),
+                                       $this->getVar( 'wgDBpassword' ),
+                                       $this->getVar( 'wgDBname' ) );
+                       }
+                       $status->value = $db;
                } catch ( DBConnectionError $e ) {
                        $status->fatal( 'config-connection-error', $e->getMessage() );
                }
                return $status;
        }
 
+       protected function canCreateAccounts() {
+               $this->useAdmin = true;
+               $status = $this->getConnection();
+               if ( !$status->isOK() ) {
+                       return false;
+               }
+               $conn = $status->value;
+
+               $superuser = $this->getVar( '_InstallUser' );
+
+               $rights = $conn->selectField( 'pg_catalog.pg_user',
+                       'CASE WHEN usesuper IS TRUE THEN
+                               CASE WHEN usecreatedb IS TRUE THEN 3 ELSE 1 END
+                               ELSE CASE WHEN usecreatedb IS TRUE THEN 2 ELSE 0 END
+                               END AS rights',
+                       array( 'usename' => $superuser ), __METHOD__
+               );
+
+               if( !$rights || ( $rights != 1 && $rights != 3 ) ) {
+                       return false;
+               }
+
+               return true;
+       }
+
+       public function getSettingsForm() {
+               if ( $this->canCreateAccounts() ) {
+                       $noCreateMsg = false;
+               } else {
+                       $noCreateMsg = 'config-db-web-no-create-privs';
+               }
+               $s = $this->getWebUserBox( $noCreateMsg );
+
+               return $s;
+       }
+
+       public function submitSettingsForm() {
+               $status = $this->submitWebUserBox();
+               if ( !$status->isOK() ) {
+                       return $status;
+               }
+
+               // Validate the create checkbox
+               if ( !$this->canCreateAccounts() ) {
+                       $this->setVar( '_CreateDBAccount', false );
+                       $create = false;
+               } else {
+                       $create = $this->getVar( '_CreateDBAccount' );
+               }
+
+               // Don't test the web account if it is the same as the admin.
+               if ( !$create && $this->getVar( 'wgDBuser' ) != $this->getVar( '_InstallUser' ) ) {
+                       // Test the web account
+                       try {
+                               $this->useAdmin = false;
+                               return $this->openConnection();
+                       } catch ( DBConnectionError $e ) {
+                               return Status::newFatal( 'config-connection-error', $e->getMessage() );
+                       }
+               }
+
+               return Status::newGood();
+       }
+
+       public function preInstall() {
+               $commitCB = array(
+                       'name' => 'pg-commit',
+                       'callback' => array( $this, 'commitChanges' ),
+               );
+               $plpgCB = array(
+                       'name' => 'pg-plpgsql',
+                       'callback' => array( $this, 'setupPLpgSQL' ),
+               );
+               $this->parent->addInstallStep( $commitCB, 'interwiki' );
+               $this->parent->addInstallStep( $plpgCB, 'database' );
+               if( $this->getVar( '_CreateDBAccount' ) ) {
+                       $this->parent->addInstallStep( array(
+                               'name' => 'user',
+                               'callback' => array( $this, 'setupUser' ),
+                       ) );
+               }
+       }
+
        function setupDatabase() {
+               $this->useAdmin = true;
+               $status = $this->getConnection();
+               if ( !$status->isOK() ) {
+                       return $status;
+               }
+               $this->setupSchemaVars();
+               $conn = $status->value;
+
+               $dbName = $this->getVar( 'wgDBname' );
+               $schema = $this->getVar( 'wgDBmwschema' );
+               $user = $this->getVar( 'wgDBuser' );
+               $safeschema = $conn->addIdentifierQuotes( $schema );
+               $safeuser = $conn->addIdentifierQuotes( $user );
+
+               $SQL = "SELECT 1 FROM pg_catalog.pg_database WHERE datname = " . $conn->addQuotes( $dbName );
+               $rows = $conn->numRows( $conn->query( $SQL ) );
+               $safedb = $conn->addIdentifierQuotes( $dbName );
+               if( !$rows ) {
+                       $conn->query( "CREATE DATABASE $safedb OWNER $safeuser", __METHOD__ );
+               } else {
+                       $conn->query( "ALTER DATABASE $safedb OWNER TO $safeuser", __METHOD__ );
+               }
+               
+               // Now that we've established the real database exists, connect to it
+               // Because we do not want the same connection, forcibly expire the existing conn
+               $this->db = null;
+               $this->useAdmin = false;
+               $status = $this->getConnection();
+               if ( !$status->isOK() ) {
+                       return $status;
+               }
+               $conn = $status->value;
+
+               if( !$conn->schemaExists( $schema ) ) {
+                       $result = $conn->query( "CREATE SCHEMA $safeschema AUTHORIZATION $safeuser" );
+                       if( !$result ) {
+                               $status->fatal( 'config-install-pg-schema-failed', $user, $schema );
+                       }
+               } else {
+                       $safeschema2 = $conn->addQuotes( $schema );
+                       $SQL = "SELECT 'GRANT ALL ON '||pg_catalog.quote_ident(relname)||' TO $safeuser;'\n".
+                               "FROM pg_catalog.pg_class p, pg_catalog.pg_namespace n\n" .
+                               "WHERE relnamespace = n.oid AND n.nspname = $safeschema2\n" .
+                               "AND p.relkind IN ('r','S','v')\n";
+                       $SQL .= "UNION\n";
+                       $SQL .= "SELECT 'GRANT ALL ON FUNCTION '||pg_catalog.quote_ident(proname)||'('||\n".
+                               "pg_catalog.oidvectortypes(p.proargtypes)||') TO $safeuser;'\n" .
+                               "FROM pg_catalog.pg_proc p, pg_catalog.pg_namespace n\n" .
+                               "WHERE p.pronamespace = n.oid AND n.nspname = $safeschema2";
+                       $conn->query( "SET search_path = $safeschema" );
+                       $res = $conn->query( $SQL );
+               }
+               return $status;
+       }
+
+       function commitChanges() {
+               $this->db->query( 'COMMIT' );
+               return Status::newGood();
+       }
+
+       function setupUser() {
+               if ( !$this->getVar( '_CreateDBAccount' ) ) {
+                       return Status::newGood();
+               }
+
+               $this->useAdmin = true;
+               $status = $this->getConnection();
+
+               if ( !$status->isOK() ) {
+                       return $status;
+               }
+
+               $schema = $this->getVar( 'wgDBmwschema' );
+               $safeuser = $this->db->addIdentifierQuotes( $this->getVar( 'wgDBuser' ) );
+               $safeusercheck = $this->db->addQuotes( $this->getVar( 'wgDBuser' ) );
+               $safepass = $this->db->addQuotes( $this->getVar( 'wgDBpassword' ) );
+               $safeschema = $this->db->addIdentifierQuotes( $schema );
+
+               $rows = $this->db->numRows(
+                       $this->db->query( "SELECT 1 FROM pg_catalog.pg_shadow WHERE usename = $safeusercheck" )
+               );
+               if ( $rows < 1 ) {
+                       $res = $this->db->query( "CREATE USER $safeuser NOCREATEDB PASSWORD $safepass", __METHOD__ );
+                       if ( $res !== true && !( $res instanceOf ResultWrapper ) ) {
+                               $status->fatal( 'config-install-user-failed', $this->getVar( 'wgDBuser' ), $res );
+                       }
+                       if( $status->isOK() ) {
+                               $this->db->query("ALTER USER $safeuser SET search_path = $safeschema");
+                       }
+               }
+
+               return $status;
        }
 
        function getLocalSettings() {
                $port = $this->getVar( 'wgDBport' );
                $schema = $this->getVar( 'wgDBmwschema' );
-               $ts2 = $this->getVar( 'wgDBts2schema' );
                return
 "# Postgres specific settings
 \$wgDBport           = \"{$port}\";
-\$wgDBmwschema       = \"{$schema}\";
-\$wgDBts2schema      = \"{$ts2}\";";
+\$wgDBmwschema       = \"{$schema}\";";
        }
 
        public function preUpgrade() {
@@ -134,4 +319,70 @@ class PostgresInstaller extends DatabaseInstaller {
                $wgDBuser = $this->getVar( '_InstallUser' );
                $wgDBpassword = $this->getVar( '_InstallPassword' );
        }
+
+       public function createTables() {
+               $schema = $this->getVar( 'wgDBmwschema' );
+
+               $this->db = null;
+               $this->useAdmin = false;
+               $status = $this->getConnection();
+               if ( !$status->isOK() ) {
+                       return $status;
+               }
+
+               if( $this->db->tableExists( 'user' ) ) {
+                       $status->warning( 'config-install-tables-exist' );
+                       return $status;
+               }
+
+               $this->db->begin( __METHOD__ );
+
+               if( !$this->db->schemaExists( $schema ) ) {
+                       $status->error( 'config-install-pg-schema-not-exist' );
+                       return $status;
+               }
+               $safeschema = $this->db->addIdentifierQuotes( $schema );
+               $this->db->query( "SET search_path = $safeschema" );
+               $error = $this->db->sourceFile( $this->db->getSchema() );
+               if( $error !== true ) {
+                       $this->db->reportQueryError( $error, 0, '', __METHOD__ );
+                       $this->db->rollback( __METHOD__ );
+                       $status->fatal( 'config-install-tables-failed', $error );
+               } else {
+                       $this->db->commit( __METHOD__ );
+               }
+               // Resume normal operations
+               if( $status->isOk() ) {
+                       $this->enableLB();
+               }
+               return $status;
+       }
+
+       public function setupPLpgSQL() {
+               $this->useAdmin = true;
+               $status = $this->getConnection();
+               if ( !$status->isOK() ) {
+                       return $status;
+               }
+
+               $rows = $this->db->numRows(
+                       $this->db->query( "SELECT 1 FROM pg_catalog.pg_language WHERE lanname = 'plpgsql'" )
+               );
+               if ( $rows < 1 ) {
+                       // plpgsql is not installed, but if we have a pg_pltemplate table, we should be able to create it
+                       $SQL = "SELECT 1 FROM pg_catalog.pg_class c JOIN pg_catalog.pg_namespace n ON (n.oid = c.relnamespace) ".
+                               "WHERE relname = 'pg_pltemplate' AND nspname='pg_catalog'";
+                       $rows = $this->db->numRows( $this->db->query( $SQL ) );
+                       $dbName = $this->getVar( 'wgDBname' );
+                       if ( $rows >= 1 ) {
+                               $result = $this->db->query( 'CREATE LANGUAGE plpgsql' );
+                               if ( !$result ) {
+                                       return Status::newFatal( 'config-pg-no-plpgsql', $dbName );
+                               }
+                       } else {
+                               return Status::newFatal( 'config-pg-no-plpgsql', $dbName );
+                       }
+               }
+               return Status::newGood();
+       }
 }