diff options
Diffstat (limited to 'lib/private/setup/oci.php')
-rw-r--r-- | lib/private/setup/oci.php | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/lib/private/setup/oci.php b/lib/private/setup/oci.php new file mode 100644 index 00000000000..326d7a00531 --- /dev/null +++ b/lib/private/setup/oci.php @@ -0,0 +1,210 @@ +<?php + +namespace OC\Setup; + +class OCI extends AbstractDatabase { + public $dbprettyname = 'Oracle'; + + protected $dbtablespace; + + public function initialize($config) { + parent::initialize($config); + if (array_key_exists('dbtablespace', $config)) { + $this->dbtablespace = $config['dbtablespace']; + } else { + $this->dbtablespace = 'USERS'; + } + \OC_Config::setValue('dbtablespace', $this->dbtablespace); + } + + public function setupDatabase($username) { + $e_host = addslashes($this->dbhost); + $e_dbname = addslashes($this->dbname); + //check if the database user has admin right + if ($e_host == '') { + $easy_connect_string = $e_dbname; // use dbname as easy connect name + } else { + $easy_connect_string = '//'.$e_host.'/'.$e_dbname; + } + \OC_Log::write('setup oracle', 'connect string: ' . $easy_connect_string, \OC_Log::DEBUG); + $connection = @oci_connect($this->dbuser, $this->dbpassword, $easy_connect_string); + if(!$connection) { + $e = oci_error(); + if (is_array ($e) && isset ($e['message'])) { + throw new \DatabaseSetupException($this->trans->t('Oracle connection could not be established'), + $e['message'].' Check environment: ORACLE_HOME='.getenv('ORACLE_HOME') + .' ORACLE_SID='.getenv('ORACLE_SID') + .' LD_LIBRARY_PATH='.getenv('LD_LIBRARY_PATH') + .' NLS_LANG='.getenv('NLS_LANG') + .' tnsnames.ora is '.(is_readable(getenv('ORACLE_HOME').'/network/admin/tnsnames.ora')?'':'not ').'readable'); + } + throw new \DatabaseSetupException($this->trans->t('Oracle username and/or password not valid'), + 'Check environment: ORACLE_HOME='.getenv('ORACLE_HOME') + .' ORACLE_SID='.getenv('ORACLE_SID') + .' LD_LIBRARY_PATH='.getenv('LD_LIBRARY_PATH') + .' NLS_LANG='.getenv('NLS_LANG') + .' tnsnames.ora is '.(is_readable(getenv('ORACLE_HOME').'/network/admin/tnsnames.ora')?'':'not ').'readable'); + } + //check for roles creation rights in oracle + + $query='SELECT count(*) FROM user_role_privs, role_sys_privs' + ." WHERE user_role_privs.granted_role = role_sys_privs.role AND privilege = 'CREATE ROLE'"; + $stmt = oci_parse($connection, $query); + if (!$stmt) { + $entry = $this->trans->t('DB Error: "%s"', array(oci_last_error($connection))) . '<br />'; + $entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />'; + \OC_Log::write('setup.oci', $entry, \OC_Log::WARN); + } + $result = oci_execute($stmt); + if($result) { + $row = oci_fetch_row($stmt); + } + if($result and $row[0] > 0) { + //use the admin login data for the new database user + + //add prefix to the oracle user name to prevent collisions + $this->dbuser='oc_'.$username; + //create a new password so we don't need to store the admin config in the config file + $this->dbpassword=\OC_Util::generateRandomBytes(30); + + //oracle passwords are treated as identifiers: + // must start with aphanumeric char + // needs to be shortened to 30 bytes, as the two " needed to escape the identifier count towards the identifier length. + $this->dbpassword=substr($this->dbpassword, 0, 30); + + $this->createDBUser($connection); + + \OC_Config::setValue('dbuser', $this->dbusername); + \OC_Config::setValue('dbname', $this->dbusername); + \OC_Config::setValue('dbpassword', $this->dbpassword); + + //create the database not neccessary, oracle implies user = schema + //$this->createDatabase($this->dbname, $this->dbusername, $connection); + } else { + + \OC_Config::setValue('dbuser', $this->dbuser); + \OC_Config::setValue('dbname', $this->dbname); + \OC_Config::setValue('dbpassword', $this->dbpassword); + + //create the database not neccessary, oracle implies user = schema + //$this->createDatabase($this->dbname, $this->dbuser, $connection); + } + + //FIXME check tablespace exists: select * from user_tablespaces + + // the connection to dbname=oracle is not needed anymore + oci_close($connection); + + // connect to the oracle database (schema=$this->dbuser) an check if the schema needs to be filled + $this->dbuser = \OC_Config::getValue('dbuser'); + //$this->dbname = \OC_Config::getValue('dbname'); + $this->dbpassword = \OC_Config::getValue('dbpassword'); + + $e_host = addslashes($this->dbhost); + $e_dbname = addslashes($this->dbname); + + if ($e_host == '') { + $easy_connect_string = $e_dbname; // use dbname as easy connect name + } else { + $easy_connect_string = '//'.$e_host.'/'.$e_dbname; + } + $connection = @oci_connect($this->dbuser, $this->dbpassword, $easy_connect_string); + if(!$connection) { + throw new \DatabaseSetupException($this->trans->t('Oracle username and/or password not valid'), + $this->trans->t('You need to enter either an existing account or the administrator.')); + } + $query = "SELECT count(*) FROM user_tables WHERE table_name = :un"; + $stmt = oci_parse($connection, $query); + $un = $this->dbtableprefix.'users'; + oci_bind_by_name($stmt, ':un', $un); + if (!$stmt) { + $entry = $this->trans->t('DB Error: "%s"', array(oci_error($connection))) . '<br />'; + $entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />'; + \OC_Log::write('setup.oci', $entry, \OC_Log::WARN); + } + $result = oci_execute($stmt); + + if($result) { + $row = oci_fetch_row($stmt); + } + if(!$result or $row[0]==0) { + \OC_DB::createDbFromStructure($this->dbDefinitionFile); + } + } + + /** + * + * @param String $name + * @param String $password + * @param resource $connection + */ + private function createDBUser($connection) { + $name = $this->dbuser; + $password = $this->password; + $query = "SELECT * FROM all_users WHERE USERNAME = :un"; + $stmt = oci_parse($connection, $query); + if (!$stmt) { + $entry = $this->trans->t('DB Error: "%s"', array(oci_error($connection))) . '<br />'; + $entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />'; + \OC_Log::write('setup.oci', $entry, \OC_Log::WARN); + } + oci_bind_by_name($stmt, ':un', $name); + $result = oci_execute($stmt); + if(!$result) { + $entry = $this->trans->t('DB Error: "%s"', array(oci_error($connection))) . '<br />'; + $entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />'; + \OC_Log::write('setup.oci', $entry, \OC_Log::WARN); + } + + if(! oci_fetch_row($stmt)) { + //user does not exists let's create it :) + //password must start with alphabetic character in oracle + $query = 'CREATE USER '.$name.' IDENTIFIED BY "'.$password.'" DEFAULT TABLESPACE '.$this->dbtablespace; + $stmt = oci_parse($connection, $query); + if (!$stmt) { + $entry = $this->trans->t('DB Error: "%s"', array(oci_error($connection))) . '<br />'; + $entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />'; + \OC_Log::write('setup.oci', $entry, \OC_Log::WARN); + } + //oci_bind_by_name($stmt, ':un', $name); + $result = oci_execute($stmt); + if(!$result) { + $entry = $this->trans->t('DB Error: "%s"', array(oci_error($connection))) . '<br />'; + $entry .= $this->trans->t('Offending command was: "%s", name: %s, password: %s', + array($query, $name, $password)) . '<br />'; + \OC_Log::write('setup.oci', $entry, \OC_Log::WARN); + } + } else { // change password of the existing role + $query = "ALTER USER :un IDENTIFIED BY :pw"; + $stmt = oci_parse($connection, $query); + if (!$stmt) { + $entry = $this->trans->t('DB Error: "%s"', array(oci_error($connection))) . '<br />'; + $entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />'; + \OC_Log::write('setup.oci', $entry, \OC_Log::WARN); + } + oci_bind_by_name($stmt, ':un', $name); + oci_bind_by_name($stmt, ':pw', $password); + $result = oci_execute($stmt); + if(!$result) { + $entry = $this->trans->t('DB Error: "%s"', array(oci_error($connection))) . '<br />'; + $entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />'; + \OC_Log::write('setup.oci', $entry, \OC_Log::WARN); + } + } + // grant necessary roles + $query = 'GRANT CREATE SESSION, CREATE TABLE, CREATE SEQUENCE, CREATE TRIGGER, UNLIMITED TABLESPACE TO '.$name; + $stmt = oci_parse($connection, $query); + if (!$stmt) { + $entry = $this->trans->t('DB Error: "%s"', array(oci_error($connection))) . '<br />'; + $entry .= $this->trans->t('Offending command was: "%s"', array($query)) . '<br />'; + \OC_Log::write('setup.oci', $entry, \OC_Log::WARN); + } + $result = oci_execute($stmt); + if(!$result) { + $entry = $this->trans->t('DB Error: "%s"', array(oci_error($connection))) . '<br />'; + $entry .= $this->trans->t('Offending command was: "%s", name: %s, password: %s', + array($query, $name, $password)) . '<br />'; + \OC_Log::write('setup.oci', $entry, \OC_Log::WARN); + } + } +} |