Add postgresql support

REVIEW: 102101

core/js/setup.js

 $(document).ready(function() {
 	// Hide the MySQL config div if needed :
-	if(!$('#mysql').is(':checked') && $('#hasSQLite').val()=='true') {
+	if(!$('#mysql').is(':checked')) {
 		$('#use_mysql').hide();
 	}
+	
+	// Hide the PostgreSQL config div if needed:
+	if(!$('#pgsql').is(':checked')) {
+		$('#use_postgresql').hide();
+	}
 
 	$('#datadirField').hide(250);
 	if($('#hasSQLite').val()=='true'){
@@ -11,10 +16,17 @@ $(document).ready(function() {
 
 	$('#sqlite').click(function() {
 		$('#use_mysql').slideUp(250);
+		$('#use_postgresql').slideUp(250);
 	});
 
 	$('#mysql').click(function() {
 		$('#use_mysql').slideDown(250);
+		$('#use_postgresql').slideUp(250);
+	});
+	
+	$('#pgsql').click(function() {
+		$('#use_postgresql').slideDown(250);
+		$('#use_mysql').slideUp(250);
 	});
 
 	$('#showAdvanced').click(function() {

core/templates/installation.php

@@ -39,7 +39,7 @@
 			<legend><?php echo $l->t( 'Configure the database.' ); ?></legend>
 			<?php if($_['hasSQLite']): ?>
 			<input type='hidden' id='hasSQLite' value='true'/>
-			<?php if(!$_['hasMySQL']): ?>
+			<?php if(!$_['hasMySQL'] and !$_['hasPostgreSQL']): ?>
 			<p><?php echo $l->t( 'SQLite will be used for the database. You have nothing to do.' ); ?></p>
 			<input type="hidden" id="dbtype" name="dbtype" value="sqlite" />
 			<?php else: ?>
@@ -49,11 +49,11 @@
 
 			<?php if($_['hasMySQL']): ?>
 			<input type='hidden' id='hasMySQL' value='true'/>
-			<?php if(!$_['hasSQLite']): ?>
+			<?php if(!$_['hasSQLite'] and !$_['hasPostgreSQL']): ?>
 			<p><?php echo $l->t( 'MySQL will be used for the database.' ); ?></p>
 			<input type="hidden" id="dbtype" name="dbtype" value="mysql" />
 			<?php else: ?>
-			<p><label class="mysql" for="mysql">MySQL </label><input type="radio" name="dbtype" value='mysql' id="mysql" <?php OC_Helper::init_radio('dbtype', 'mysql', 'sqlite'); ?>/></p>
+			<p><label class="mysql" for="mysql">MySQL </label><input type="radio" name="dbtype" value='mysql' id="mysql" <?php OC_Helper::init_radio('dbtype','pgsql', 'mysql', 'sqlite'); ?>/></p>
 			<?php endif; ?>
 			<div id="use_mysql">
 				<p><label for="dbuser"><?php echo $l->t( 'MySQL username:' ); ?></label><input type="text" name="dbuser" id="dbuser" value="<?php print OC_Helper::init_var('dbuser'); ?>" /></p>
@@ -64,6 +64,24 @@
 				
 			</div>
 			<?php endif; ?>
+
+			<?php if($_['hasPostgreSQL']): ?>
+			<input type='hidden' id='hasPostgreSQL' value='true'/>
+			<?php if(!$_['hasSQLite'] and !$_['hasSQLite']): ?>
+			<p><?php echo $l->t( 'PostgreSQL will be used for the database.' ); ?></p>
+			<input type="hidden" id="dbtype" name="dbtype" value="pgsql" />
+			<?php else: ?>
+			<p><label class="pgsql" for="pgsql">PostgreSQL </label><input type="radio" name="dbtype" value='pgsql' id="pgsql" <?php OC_Helper::init_radio('dbtype','pgsql', 'mysql', 'sqlite'); ?>/></p>
+			<?php endif; ?>
+			<div id="use_postgresql">
+				<p><label for="pg_dbuser"><?php echo $l->t( 'PostgreSQL username:' ); ?></label><input type="text" name="pg_dbuser" id="pg_dbuser" value="<?php print OC_Helper::init_var('dbuser'); ?>" /></p>
+				<p><label for="pg_dbpass"><?php echo $l->t( 'PostgreSQL password:' ); ?></label><input type="password" name="pg_dbpass" id="pg_dbpass" value="<?php print OC_Helper::init_var('dbpass'); ?>" /></p>
+				<p><label for="pg_dbname"><?php echo $l->t( 'Database name:' ); ?></label><input type="text" name="pg_dbname" id="pg_dbname" value="<?php print OC_Helper::init_var('dbname'); ?>" /></p>
+				<p><label for="pg_dbhost"><?php echo $l->t( 'Host:' ); ?></label><input type="text" name="pg_dbhost" id="pg_dbhost" value="<?php print OC_Helper::init_var('dbhost', 'localhost'); ?>" /></p>
+				<p><label for="pg_dbtableprefix"><?php echo $l->t( 'Table prefix:' ); ?></label><input type="text" name="pg_dbtableprefix" id="pg_dbtableprefix" value="<?php print OC_Helper::init_var('dbtableprefix', 'oc_'); ?>" /></p>
+				
+			</div>
+			<?php endif; ?>
 		</fieldset>
 
 		<p class="submit"><input type="submit" value="<?php echo $l->t( 'Finish setup' ); ?>" /></p>

lib/db.php

@@ -237,6 +237,7 @@ class OC_DB {
 	public static function createDbFromStructure( $file ){
 		$CONFIG_DBNAME  = OC_Config::getValue( "dbname", "owncloud" );
 		$CONFIG_DBTABLEPREFIX = OC_Config::getValue( "dbtableprefix", "oc_" );
+		$CONFIG_DBTYPE = OC_Config::getValue( "dbtype", "sqlite" );
 
 		self::connectScheme();
 
@@ -247,6 +248,9 @@ class OC_DB {
 		$file2 = tempnam( sys_get_temp_dir(), 'oc_db_scheme_' );
 		$content = str_replace( '*dbname*', $CONFIG_DBNAME, $content );
 		$content = str_replace( '*dbprefix*', $CONFIG_DBTABLEPREFIX, $content );
+		if( $CONFIG_DBTYPE == 'pgsql' ){ //mysql support it too but sqlite don't
+			$content = str_replace( '<default>0000-00-00 00:00:00</default>', '<default>CURRENT_TIMESTAMP</default>', $content );
+		}
 		file_put_contents( $file2, $content );
 
 		// Try to create tables

lib/setup.php

@@ -2,10 +2,12 @@
 
 $hasSQLite = (is_callable('sqlite_open') or class_exists('SQLite3'));
 $hasMySQL = is_callable('mysql_connect');
+$hasPostgreSQL = is_callable('pg_connect');
 $datadir = OC_Config::getValue('datadir', $SERVERROOT.'/data');
 $opts = array(
 	'hasSQLite' => $hasSQLite,
 	'hasMySQL' => $hasMySQL,
+	'hasPostgreSQL' => $hasPostgreSQL,
 	'directory' => $datadir,
 	'errors' => array(),
 );
@@ -43,6 +45,7 @@ class OC_Setup {
 		if(empty($options['directory'])) {
 			$error[] = 'STEP 2 : data directory path is not set.';
 		}
+
 		if($dbtype=='mysql') { //mysql needs more config options
 			if(empty($options['dbuser'])) {
 				$error[] = 'STEP 3 : MySQL database user is not set.';
@@ -61,6 +64,24 @@ class OC_Setup {
 			}
 		}
 
+		if($dbtype=='pgsql') { //postgresql needs more config options
+			if(empty($options['pg_dbuser'])) {
+				$error[] = 'STEP 3 : PostgreSQL database user is not set.';
+			}
+			if(empty($options['pg_dbpass'])) {
+				$error[] = 'STEP 3 : PostgreSQL database password is not set.';
+			}
+			if(empty($options['pg_dbname'])) {
+				$error[] = 'STEP 3 : PostgreSQL database name is not set.';
+			}
+			if(empty($options['pg_dbhost'])) {
+				$error[] = 'STEP 3 : PostgreSQL database host is not set.';
+			}
+			if(!isset($options['pg_dbtableprefix'])) {
+				$error[] = 'STEP 3 : PostgreSQL database table prefix is not set.';
+			}
+		}
+
 		if(count($error) == 0) { //no errors, good
 			$username = htmlspecialchars_decode($options['adminlogin']);
 			$password = htmlspecialchars_decode($options['adminpass']);
@@ -128,6 +149,62 @@ class OC_Setup {
 					mysql_close($connection);
 				}
 			}
+			elseif($dbtype == 'pgsql') {
+				$dbuser = $options['pg_dbuser'];
+				$dbpass = $options['pg_dbpass'];
+				$dbname = $options['pg_dbname'];
+				$dbhost = $options['pg_dbhost'];
+				$dbtableprefix = $options['pg_dbtableprefix'];
+				OC_CONFIG::setValue('dbname', $dbname);
+				OC_CONFIG::setValue('dbhost', $dbhost);
+				OC_CONFIG::setValue('dbtableprefix', $dbtableprefix);
+
+				//check if the database user has admin right
+				$connection_string = "host=$dbhost dbname=postgres user=$dbuser password=$dbpass";
+				$connection = @pg_connect($connection_string);
+				if(!$connection) {
+					$error[] = array(
+						'error' => 'postgresql username and/or password not valid',
+						'hint' => 'you need to enter either an existing account, or the administrative account if you wish to create a new user for ownCloud'
+					);
+				}
+				else {
+					//check for roles creation rights in postgresql
+					$query="SELECT 1 FROM pg_roles WHERE rolcreaterole=TRUE AND rolname='$dbuser'";
+					$result = pg_query($connection, $query);
+					if($result and pg_num_rows($result) > 0) {
+						//use the admin login data for the new database user
+
+						//add prefix to the postgresql user name to prevent collissions
+						$dbusername='oc_'.$username;
+						//hash the password so we don't need to store the admin config in the config file
+						$dbpassword=md5(time().$password);
+						
+						self::pg_createDBUser($dbusername, $dbpassword, $connection);
+						
+						OC_CONFIG::setValue('dbuser', $dbusername);
+						OC_CONFIG::setValue('dbpassword', $dbpassword);
+
+						//create the database
+						self::pg_createDatabase($dbname, $dbusername, $connection);
+					}
+					else {
+						OC_CONFIG::setValue('dbuser', $dbuser);
+						OC_CONFIG::setValue('dbpassword', $dbpass);
+
+						//create the database
+						self::pg_createDatabase($dbname, $dbuser, $connection);
+					}
+
+					//fill the database if needed
+					$query="SELECT * FROM {$dbtableprefix}users";
+					$result = pg_query($connection, $query);
+					if(!$result) {
+						OC_DB::createDbFromStructure('db_structure.xml');
+					}
+					pg_close($connection);
+				}
+			}
 			else {
 				//delete the old sqlite database first, might cause infinte loops otherwise
 				if(file_exists("$datadir/owncloud.db")){
@@ -179,6 +256,29 @@ class OC_Setup {
 		$result = mysql_query($query, $connection);
 	}
 
+	public static function pg_createDatabase($name,$user,$connection) {
+		//we cant user OC_BD functions here because we need to connect as the administrative user.
+		$query = "CREATE DATABASE $name OWNER $user";
+		$result = pg_query($connection, $query);
+		if(!$result) {
+			$entry='DB Error: "'.pg_last_error($connection).'"<br />';
+			$entry.='Offending command was: '.$query.'<br />';
+			echo($entry);
+		}
+		$query = "REVOKE ALL PRIVILEGES ON DATABASE $name FROM PUBLIC";
+		$result = pg_query($connection, $query);		
+	}
+
+	private static function pg_createDBUser($name,$password,$connection) {
+		$query = "CREATE USER $name CREATEDB PASSWORD '$password';";
+		$result = pg_query($connection, $query);
+		if(!$result) {
+			$entry='DB Error: "'.pg_last_error($connection).'"<br />';
+			$entry.='Offending command was: '.$query.'<br />';
+			echo($entry);
+		}
+	}
+
 	/**
 	 * create .htaccess files for apache hosts
 	 */