2013-03-29 19:28:48 +04:00
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<?php
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namespace OC\Setup;
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2013-04-03 00:01:23 +04:00
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class PostgreSQL extends AbstractDatabase {
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public function setupDatabase($username) {
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$e_host = addslashes($this->dbhost);
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$e_user = addslashes($this->dbuser);
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$e_password = addslashes($this->dbpassword);
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2013-03-29 19:28:48 +04:00
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//check if the database user has admin rights
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$connection_string = "host='$e_host' dbname=postgres user='$e_user' password='$e_password'";
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$connection = @pg_connect($connection_string);
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if(!$connection) {
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// Try if we can connect to the DB with the specified name
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2013-04-03 00:01:23 +04:00
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$e_dbname = addslashes($this->dbname);
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2013-03-29 19:28:48 +04:00
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$connection_string = "host='$e_host' dbname='$e_dbname' user='$e_user' password='$e_password'";
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$connection = @pg_connect($connection_string);
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if(!$connection)
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2013-04-03 00:01:23 +04:00
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throw new \DatabaseSetupException($this->trans->t('PostgreSQL username and/or password not valid'),
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$this->trans->t('You need to enter either an existing account or the administrator.'));
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2013-03-29 19:28:48 +04:00
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}
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2013-04-03 00:01:23 +04:00
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$e_user = pg_escape_string($this->dbuser);
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2013-03-29 19:28:48 +04:00
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//check for roles creation rights in postgresql
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$query="SELECT 1 FROM pg_roles WHERE rolcreaterole=TRUE AND rolname='$e_user'";
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$result = pg_query($connection, $query);
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if($result and pg_num_rows($result) > 0) {
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//use the admin login data for the new database user
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//add prefix to the postgresql user name to prevent collisions
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2013-04-03 00:01:23 +04:00
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$this->dbuser='oc_'.$username;
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2013-03-29 19:28:48 +04:00
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//create a new password so we don't need to store the admin config in the config file
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2013-04-03 00:01:23 +04:00
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$this->dbpassword=OC_Util::generate_random_bytes(30);
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2013-03-29 19:28:48 +04:00
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2013-04-03 00:01:23 +04:00
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$this->createDBUser($connection);
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2013-03-29 19:28:48 +04:00
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2013-04-03 00:01:23 +04:00
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\OC_Config::setValue('dbuser', $this->dbuser);
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\OC_Config::setValue('dbpassword', $this->dbpassword);
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2013-03-29 19:28:48 +04:00
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//create the database
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2013-04-03 00:01:23 +04:00
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$this->createDatabase($connection);
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2013-03-29 19:28:48 +04:00
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}
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else {
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2013-04-03 00:01:23 +04:00
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\OC_Config::setValue('dbuser', $this->dbuser);
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\OC_Config::setValue('dbpassword', $this->dbpassword);
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2013-03-29 19:28:48 +04:00
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//create the database
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2013-04-03 00:01:23 +04:00
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$this->createDatabase($connection);
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2013-03-29 19:28:48 +04:00
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}
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// the connection to dbname=postgres is not needed anymore
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pg_close($connection);
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2013-04-03 00:01:23 +04:00
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// connect to the ownCloud database (dbname=$this->dbname) and check if it needs to be filled
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$this->dbuser = \OC_Config::getValue('dbuser');
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$this->dbpassword = \OC_Config::getValue('dbpassword');
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2013-03-29 19:28:48 +04:00
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2013-04-03 00:01:23 +04:00
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$e_host = addslashes($this->dbhost);
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$e_dbname = addslashes($this->dbname);
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$e_user = addslashes($this->dbuser);
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$e_password = addslashes($this->dbpassword);
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2013-03-29 19:28:48 +04:00
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$connection_string = "host='$e_host' dbname='$e_dbname' user='$e_user' password='$e_password'";
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$connection = @pg_connect($connection_string);
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if(!$connection) {
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2013-04-03 00:01:23 +04:00
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throw new \DatabaseSetupException($this->trans->t('PostgreSQL username and/or password not valid'),
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$this->trans->t('You need to enter either an existing account or the administrator.'));
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2013-03-29 19:28:48 +04:00
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}
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2013-04-03 00:01:23 +04:00
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$query = "select count(*) FROM pg_class WHERE relname='".$this->dbtableprefix."users' limit 1";
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2013-03-29 19:28:48 +04:00
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$result = pg_query($connection, $query);
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if($result) {
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$row = pg_fetch_row($result);
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}
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if(!$result or $row[0]==0) {
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\OC_DB::createDbFromStructure('db_structure.xml');
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}
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}
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2013-04-03 00:01:23 +04:00
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private function createDatabase($connection) {
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2013-03-29 19:28:48 +04:00
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//we cant use OC_BD functions here because we need to connect as the administrative user.
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2013-04-03 00:01:23 +04:00
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$e_name = pg_escape_string($this->dbname);
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$e_user = pg_escape_string($this->dbuser);
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2013-03-29 19:28:48 +04:00
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$query = "select datname from pg_database where datname = '$e_name'";
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$result = pg_query($connection, $query);
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if(!$result) {
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2013-04-03 00:01:23 +04:00
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$entry = $this->trans->t('DB Error: "%s"', array(pg_last_error($connection))) . '<br />';
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$entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />';
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2013-03-29 19:28:48 +04:00
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\OC_Log::write('setup.pg', $entry, \OC_Log::WARN);
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}
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if(! pg_fetch_row($result)) {
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//The database does not exists... let's create it
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$query = "CREATE DATABASE \"$e_name\" OWNER \"$e_user\"";
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$result = pg_query($connection, $query);
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if(!$result) {
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2013-04-03 00:01:23 +04:00
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$entry = $this->trans->t('DB Error: "%s"', array(pg_last_error($connection))) . '<br />';
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$entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />';
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2013-03-29 19:28:48 +04:00
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\OC_Log::write('setup.pg', $entry, \OC_Log::WARN);
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}
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else {
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$query = "REVOKE ALL PRIVILEGES ON DATABASE \"$e_name\" FROM PUBLIC";
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pg_query($connection, $query);
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}
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}
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}
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2013-04-03 00:01:23 +04:00
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private function createDBUser($connection) {
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$e_name = pg_escape_string($this->dbuser);
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$e_password = pg_escape_string($this->dbpassword);
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2013-03-29 19:28:48 +04:00
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$query = "select * from pg_roles where rolname='$e_name';";
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$result = pg_query($connection, $query);
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if(!$result) {
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2013-04-03 00:01:23 +04:00
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$entry = $this->trans->t('DB Error: "%s"', array(pg_last_error($connection))) . '<br />';
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$entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />';
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2013-03-29 19:28:48 +04:00
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\OC_Log::write('setup.pg', $entry, \OC_Log::WARN);
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}
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if(! pg_fetch_row($result)) {
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//user does not exists let's create it :)
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$query = "CREATE USER \"$e_name\" CREATEDB PASSWORD '$e_password';";
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$result = pg_query($connection, $query);
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if(!$result) {
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2013-04-03 00:01:23 +04:00
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$entry = $this->trans->t('DB Error: "%s"', array(pg_last_error($connection))) . '<br />';
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$entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />';
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2013-03-29 19:28:48 +04:00
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\OC_Log::write('setup.pg', $entry, \OC_Log::WARN);
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}
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}
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else { // change password of the existing role
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$query = "ALTER ROLE \"$e_name\" WITH PASSWORD '$e_password';";
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$result = pg_query($connection, $query);
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if(!$result) {
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2013-04-03 00:01:23 +04:00
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$entry = $this->trans->t('DB Error: "%s"', array(pg_last_error($connection))) . '<br />';
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$entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />';
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2013-03-29 19:28:48 +04:00
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\OC_Log::write('setup.pg', $entry, \OC_Log::WARN);
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}
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}
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}
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}
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