egroupware_official/setup/inc/class.setup_header.inc.php

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<?php
/**
* Setup - Manage the eGW config file header.inc.php
*
* @link http://www.egroupware.org
* @package setup
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @author Miles Lott <milos@groupwhere.org>
* @author Tony Puglisi (Angles)
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
/**
* Functions to manage the eGW config file header.inc.php
*
* Used by manageheader.php and the new setup command line interface setup-cli.php
*
* @package setup
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
*/
class setup_header
{
/**
* @var array with php-extension / ADOdb drive names => describtiv label
*/
var $db_fullnames = array(
'pgsql' => 'PostgreSQL',
'mysql' => 'MySQL',
'mysqli' => 'MySQLi (php5)',
'mssql' => 'MS SQL Server',
'odbc_mssql' => 'MS SQL Server via ODBC',
'oracle' => 'Oracle',
'odbc_oracle' => 'Oracle via ODBC',
'sapdb' => 'SAP/Max DB via ODBC',
);
/**
* @var array with php-extension / ADOdb drive names => default port used by database
*/
var $default_db_ports = array(
'pgsql' => 5432,
'mysql' => 3306,
'mysqli' => 3306,
'mssql' => 1433,
'odbc_mssql' => '',
'oracle' => 1521,
'odbc_oracle' => '',
'sapdb' => '',
);
/**
* Detect settings or set defaults for the header.inc.php file (used if it does not yet exist)
*
* Sets $GLOBALS['egw_info'], $GLOBALS['egw_domains'] and the defines EGW_SERVER_ROOT and EGW_INCLUDE_ROOT,
* as if the header has been included
*
* @param string $domain='default' domain to set
*/
function defaults($domain='default')
{
$egw_root = realpath(dirname(__FILE__).'/../..');
$GLOBALS['egw_info']['server']['server_root'] = $GLOBALS['egw_info']['server']['include_root'] = $egw_root;
define('EGW_SERVER_ROOT',$egw_root); // this is usally already defined by setup and cant be changed
define('EGW_INCLUDE_ROOT',$egw_root);
$GLOBALS['egw_info']['server']['header_admin_user'] = 'admin';
$GLOBALS['egw_info']['server']['header_admin_password'] = '';
$GLOBALS['egw_info']['server']['setup_acl'] = '';
if ($domain) $GLOBALS['egw_domain'][$domain] = $this->domain_defaults();
$GLOBALS['egw_info']['server']['show_domain_selectbox'] = false;
$GLOBALS['egw_info']['server']['db_persistent'] = True;
$GLOBALS['egw_info']['server']['sessions_type'] = !$this->check_load_extension('session') ? 'db' :'php4';
$GLOBALS['egw_info']['login_template_set'] = 'idots';
$GLOBALS['egw_info']['server']['mcrypt_enabled'] = False;
$GLOBALS['egw_info']['server']['versions']['mcrypt'] = '';
$GLOBALS['egw_info']['server']['mcrypt_iv'] = $this->generate_mcyrpt_iv();
}
function domain_defaults($user='admin',$passwd='',$supported_db=null)
{
if (is_null($supported_db)) $supported_db = $this->check_db_support($null);
$default_db = count($supported_db) ? $supported_db[0] : 'mysql';
return array(
'db_host' => 'localhost',
'db_port' => $this->default_db_ports[$default_db],
'db_name' => 'egroupware',
'db_user' => 'egroupware',
'db_pass' => '',
'db_type' => $default_db,
'config_user' => $user,
'config_passwd' => $passwd,
);
}
/**
* Checks the values of the (included) header.inc.php file
*
* The values are set in $GLOBALS['egw_info'], $GLOBALS['egw_domain'] and EGW_SERVER_ROOT
*
* @return array with errors or null if no errors
*/
function validation_errors($server_root=EGW_SERVER_ROOT,$include_root=EGW_INCLUDE_ROOT)
{
$errors = null;
foreach(array(
lang('Server root') => $server_root,
lang('Include root') => $include_root) as $label => $path)
{
if (!is_dir($path) || !is_readable($path) || !is_dir($path.'/phpgwapi'))
{
$errors[] = lang("%1 '%2' does NOT exist, is not readable by the webserver or contains no eGroupWare installation!",$label,$path);
}
}
if(!$GLOBALS['egw_info']['server']['header_admin_password'])
{
$errors[] = lang("You didn't enter a header admin password");
}
if(!$GLOBALS['egw_info']['server']['header_admin_user'])
{
$errors[] = lang("You didn't enter a header admin username");
}
if (!is_array($GLOBALS['egw_domain']) || !count($GLOBALS['egw_domain']))
{
$errors[] = lang('You need to add at least one eGroupWare domain / database instance.');
}
else
{
foreach($GLOBALS['egw_domain'] as $domain => $data)
{
if (!$data['config_passwd'])
{
$errors[] = lang("You didn't enter a config password for domain %1",$domain);
}
if(!$data['config_user'])
{
$errors[] = lang("You didn't enter a config username for domain %1",$domain);
}
}
}
return $errors;
}
/**
* generate header.inc.php file from given values
*
* setup_header::generate($GLOBALS['egw_info'],$GLOBALS['egw_domains'])
* should write an identical header.inc.php as the one include
*
* @param array $egw_info usual content (in server key) plus keys server_root and include_root
* @param array $egw_domains info about the existing eGW domains / DB instances
* @return string content of header.inc.php
*/
function generate($egw_info,$egw_domain)
{
$tpl =& CreateObject('setup.Template','../');
$tpl->set_file(array('header' => 'header.inc.php.template'));
$tpl->set_block('header','domain','domain');
foreach($egw_domain as $domain => $data)
{
$var = array('DB_DOMAIN' => $domain);
foreach($data as $name => $value)
{
if ($name == 'db_port' && !$value) $value = $this->default_db_ports[$data['db_type']];
if ($name == 'config_passwd')
{
$var['CONFIG_PASS'] = $this->is_md5($value) ? $value : md5($value);
}
else
{
$var[strtoupper($name)] = addslashes($value);
}
}
$tpl->set_var($var);
$tpl->parse('domains','domain',True);
}
$tpl->set_var('domain','');
$var = Array();
foreach($egw_info['server'] as $name => $value)
{
if ($name == 'header_admin_password' && !$this->is_md5($value)) $value = md5($value);
if ($name == 'versions')
{
$name = 'mcrypt_version';
$value = $value['mcrypt'];
}
static $bools = array(
'mcrypt_enabled' => 'ENABLE_MCRYPT',
'db_persistent' => 'db_persistent',
'show_domain_selectbox' => 'DOMAIN_SELECTBOX',
);
if (isset($bools[$name]))
{
$name = $bools[$name];
$value = $value ? 'true' : 'false';
}
$var[strtoupper($name)] = addslashes($value);
}
$tpl->set_var($var);
return $tpl->parse('out','header');
}
/**
* Gernerate a random mcrypt_iv vector
*
* @return string
*/
function generate_mcyrpt_iv()
{
srand((double)microtime()*1000000);
$random_char = array(
'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f',
'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v',
'w','x','y','z','A','B','C','D','E','F','G','H','I','J','K','L',
'M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'
);
$iv = '';
for($i=0; $i<30; $i++)
{
$iv .= $random_char[rand(1,count($random_char))];
}
return $iv;
}
/**
* checks if a named extension is loaded or loadable
*/
function check_load_extension($extension)
{
return extension_loaded($extension) ||
function_exists('dl') && @dl(PHP_SHLIB_PREFIX.$extension.'.'.PHP_SHLIB_SUFFIX);
}
function check_db_support(&$detected)
{
$supported_db = $detected = array();
foreach(array(
// short => array(extension,func_to_check,supported_db(s))
'mysql' => array('mysql','mysql_connect','mysql'),
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'mysqli' => array('mysql','mysqli_connect','mysqli'),
'pgsql' => array('pgsql','pg_connect','pgsql'),
'mssql' => array('mssql','mssql_connect','mssql'),
'odbc' => array('odbc',false,'sapdb','odbc_mssql','odbc_oracle'),
'oracle' => array('oci8',false,'oracle'),
) as $db => $data)
{
$ext = array_shift($data);
$func_to_check = array_shift($data);
$name = isset($this->db_fullnames[$db]) ? $this->db_fullnames[$db] : strtoupper($db);
if ($this->check_load_extension($ext) || $func_to_check && function_exists($func_to_check))
{
$detected[] = lang('You appear to have %1 support.',$name);
$supported_db = array_merge($supported_db,$data);
}
else
{
$detected[] .= lang('No %1 support found. Disabling',$name);
}
}
return $supported_db;
}
function is_md5($str)
{
return preg_match('/^[0-9a-f]{32}$/',$str);
}
}
// some constanst for pre php4.3
if (!defined('PHP_SHLIB_SUFFIX'))
{
define('PHP_SHLIB_SUFFIX',strtoupper(substr(PHP_OS, 0,3)) == 'WIN' ? 'dll' : 'so');
}
if (!defined('PHP_SHLIB_PREFIX'))
{
define('PHP_SHLIB_PREFIX',PHP_SHLIB_SUFFIX == 'dll' ? 'php_' : '');
}