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