mirror of
https://github.com/EGroupware/egroupware.git
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270 lines
7.9 KiB
PHP
270 lines
7.9 KiB
PHP
<?php
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/**
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* eGgroupWare setup - test or create the database
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*
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* @link http://www.egroupware.org
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @package setup
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* @copyright (c) 2007 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @version $Id$
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*/
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/**
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* setup command: test or create the database
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*/
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class setup_cmd_database extends setup_cmd
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{
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/**
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* Allow to run this command via setup-cli
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*/
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const SETUP_CLI_CALLABLE = true;
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/**
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* Instance of egw_db to connect or create the db
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*
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* @var egw_db
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*/
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private $test_db;
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/**
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* Constructor
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*
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* @param string/array $domain domain-name to customize the defaults or array with all parameters
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* @param string $db_type db-type (mysql, pgsql, ...)
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* @param string $db_host=null
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* @param string $db_port=null
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* @param string $db_name=null
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* @param string $db_user=null
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* @param string $db_pass=null
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* @param string $db_root=null
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* @param string $db_root_pw=null
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* @param string $sub_command='create_db' 'create_db', 'test_db', 'test_db_root'
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* @param string $db_grant_host='localhost' host/ip of webserver for grant
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*/
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function __construct($domain,$db_type=null,$db_host=null,$db_port=null,$db_name=null,$db_user=null,$db_pass=null,
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$db_root=null,$db_root_pw=null,$sub_command='create_db',$db_grant_host='localhost')
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{
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if (!is_array($domain))
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{
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$domain = array(
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'domain' => $domain,
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'db_type' => $db_type,
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'db_host' => $db_host,
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'db_port' => $db_port,
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'db_name' => $db_name,
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'db_user' => $db_user,
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'db_pass' => $db_pass,
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'db_root' => $db_root,
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'db_root_pw' => $db_root_pw,
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'sub_command' => $sub_command,
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'db_grant_host' => $db_grant_host,
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);
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}
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//echo __CLASS__.'::__construct()'; _debug_array($domain);
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admin_cmd::__construct($domain);
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}
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/**
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* run the command: test or create database
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*
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* @param boolean $check_only=false only run the checks (and throw the exceptions), but not the command itself
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* @return string success message
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* @throws Exception(lang('Wrong credentials to access the header.inc.php file!'),2);
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* @throws Exception('header.inc.php not found!');
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*/
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protected function exec($check_only=false)
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{
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if (!empty($this->domain) && !preg_match('/^([a-z0-9_-]+\.)*[a-z0-9]+/i',$this->domain))
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{
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throw new egw_exception_wrong_userinput(lang("'%1' is no valid domain name!",$this->domain));
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}
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if ($this->remote_id && $check_only) return true; // further checks can only done locally
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$this->_merge_defaults();
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//_debug_array($this->as_array());
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try {
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switch($this->sub_command)
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{
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case 'test_db_root':
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$msg = $this->connect($this->db_root,$this->db_root_pw,$this->db_meta);
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break;
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case 'test_db':
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$msg = $this->connect();
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break;
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case 'drop':
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$msg = $this->drop();
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break;
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case 'create_db':
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default:
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$msg = $this->create();
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break;
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}
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}
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catch (Exception $e) {
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// we catch the exception to properly restore the db
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}
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$this->restore_db();
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if ($e)
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{
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throw $e;
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}
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return $msg;
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}
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/**
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* Connect to database
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*
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* @param string $user=null default $this->db_user
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* @param string $pass=null default $this->db_pass
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* @param string $name=null default $this->db_name
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* @throws egw_exception_wrong_userinput Can not connect to database ...
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*/
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private function connect($user=null,$pass=null,$name=null)
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{
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if (is_null($user)) $user = $this->db_user;
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if (is_null($pass)) $pass = $this->db_pass;
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if (is_null($name)) $name = $this->db_name;
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$this->test_db = new egw_db();
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$error_rep = error_reporting();
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error_reporting($error_rep & ~E_WARNING); // switch warnings of, in case they are on
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try {
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$this->test_db->connect($name,$this->db_host,$this->db_port,$user,$pass,$this->db_type);
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}
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catch (Exception $e) {
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// just give a nicer error, after switching error_reporting on again
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}
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error_reporting($error_rep);
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if ($e)
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{
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throw new egw_exception_wrong_userinput(lang('Can not connect to %1 database %2 on host %3 using user %4!',
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$this->db_type,$name,$this->db_host.($this->db_port?':'.$this->db_port:''),$user).' ('.$e->getMessage().')');
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}
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return lang('Successful connected to %1 database %2 on %3 using user %4.',
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$this->db_type,$name,$this->db_host.($this->db_port?':'.$this->db_port:''),$user);
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}
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/**
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* Check and if does not yet exist create the new database and user
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*
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* The check will fail if the database exists, but already contains tables
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*
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* @return string with success message
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* @throws egw_exception_wrong_userinput
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*/
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private function create()
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{
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try {
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$msg = $this->connect();
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}
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catch (egw_exception_wrong_userinput $e) {
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// db or user not working --> connect as root and create it
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try {
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$this->test_db->create_database($this->db_root,$this->db_root_pw,$this->db_charset,$this->db_grant_host);
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$this->connect();
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}
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catch(egw_exception_wrong_userinput $e) {
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// try connect as root to check if that's the problem
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$this->connect($this->db_root,$this->db_root_pw,$this->db_meta);
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// if not give general error
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throw new egw_exception_wrong_userinput(lang('Can not create %1 database %2 on %3 for user %4!',
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$this->db_type,$this->db_name,$this->db_host.($this->db_port?':'.$this->db_port:''),$this->db_user));
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}
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$msg = lang('Successful connected to %1 on %3 and created database %2 for user %4.',
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$this->db_type,$this->db_name,$this->db_host.($this->db_port?':'.$this->db_port:''),$this->db_user);
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}
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// check if it already contains tables
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if (($tables = $this->test_db->table_names()))
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{
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foreach($tables as &$table)
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{
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$table = $table['table_name'];
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}
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throw new egw_exception_wrong_userinput(lang('%1 database %2 on %3 already contains the following tables:',
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$this->db_type,$this->db_name,$this->db_host.($this->db_port?':'.$this->db_port:'')).' '.
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implode(', ',$tables));
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}
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return $msg;
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}
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/**
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* Drop database and user
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*
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* @return string with success message
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* @throws egw_exception_wrong_userinput
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* @throws egw_db_exception if database not exist
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*/
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private function drop()
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{
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$this->connect($this->db_root,$this->db_root_pw,$this->db_meta);
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$this->test_db->query('DROP DATABASE '.$this->test_db->name_quote($this->db_name),__LINE__,__FILE__);
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$msg = lang('Datebase %1 droped.',$this->db_name);
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try {
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$this->test_db->query('DROP USER '.$this->test_db->quote($this->db_user).'@'.
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$this->test_db->quote($this->db_grant_host?$this->db_grant_host:'%'),__LINE__,__FILE__);
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}
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catch (egw_db_exception $e) {
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// we make this no fatal error, as the granthost might be something else ...
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$msg .= ' '.lang('Error dropping User!');
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}
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return $msg;
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}
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/**
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* Return default database settings for a given domain
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*
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* @param string $db_type='mysql'
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* @return array
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*/
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static function defaults($db_type='mysql')
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{
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switch($db_type)
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{
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case 'mysql':
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default:
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$db_type = $meta_db = 'mysql';
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break;
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case 'pgsql':
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$meta_db = 'template1';
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break;
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}
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return array(
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'db_type' => $db_type,
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'db_host' => 'localhost',
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'db_port' => 3306,
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'db_name' => 'egw_$domain',
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'db_user' => 'egw_$domain',
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'db_pass' => self::randomstring(),
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'db_root' => 'root',
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'db_root_pw' => '', // not really a default
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'db_meta' => $meta_db,
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'db_charset' => 'utf-8',
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'db_grant_host' => 'localhost',
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);
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}
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/**
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* Merges the default into the current properties, if they are empty or contain placeholders
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*/
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private function _merge_defaults()
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{
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foreach(self::defaults() as $name => $default)
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{
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if (!$this->$name)
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{
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//echo "<p>setting $name='{$this->$name}' to it's default='$default'</p>\n";
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$this->set_defaults[$name] = $this->$name = $default;
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}
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if (strpos($this->$name,'$domain') !== false)
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{
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$this->set_defaults[$name] = $this->$name = str_replace(array('$domain','.','-'),array($this->domain,'_','_'),$this->$name);
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}
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}
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}
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}
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