egroupware/setup/inc/class.setup_cmd_header.inc.php

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<?php
/**
* eGgroupWare setup - create or update the header.inc.php
*
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @package setup
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* @copyright (c) 2007-16 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
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use EGroupware\Api;
/**
* setup command: create or update the header.inc.php
*
* @ToDo: incorporate setup_header here
*/
class setup_cmd_header extends setup_cmd
{
/**
* Instance of setup's header object
*
* @var setup_header
*/
private $setup_header;
/**
* Full path of the header.inc.php
*
* @var string
*/
private $header_path;
/**
* Constructor
*
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* @param string|array $sub_command ='create' 'create','edit','delete'(-domain) or array with all arguments
* @param array $arguments =null comand line arguments
*/
function __construct($sub_command='create',$arguments=null)
{
if (!is_array($sub_command))
{
$sub_command = array(
'sub_command' => $sub_command,
'arguments' => $arguments,
);
}
//echo __CLASS__.'::__construct()'; _debug_array($domain);
admin_cmd::__construct($sub_command);
// header is 3 levels lower then this command in setup/inc
$this->header_path = dirname(dirname(dirname(__FILE__))).'/header.inc.php';
// if header is a symlink --> work on it's target
if (is_link($this->header_path))
{
$this->header_path = readlink($this->header_path);
if ($this->header_path[0] != '/' && $this->header_path[1] != ':')
{
$this->header_path = dirname(dirname(dirname(__FILE__))).'/'.$this->header_path;
}
}
$this->setup_header = new setup_header();
}
/**
* Create or update header.inc.php
*
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* @param boolean $check_only =false only run the checks (and throw the exceptions), but not the command itself
* @return string serialized $GLOBALS defined in the header.inc.php
* @throws Exception(lang('Wrong credentials to access the header.inc.php file!'),2);
* @throws Exception('header.inc.php not found!');
*/
protected function exec($check_only=false)
{
if ($check_only && $this->remote_id)
{
return true; // can only check locally
}
if (!file_exists($this->header_path) || filesize($this->header_path) < 200) // redirect header in rpms is ~150 byte
{
if ($this->sub_command != 'create')
{
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throw new Api\Exception\WrongUserinput(lang('eGroupWare configuration file (header.inc.php) does NOT exist.')."\n".lang('Use --create-header to create the configuration file (--usage gives more options).'),1);
}
$this->defaults(false);
}
else
{
if ($this->sub_command == 'create')
{
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throw new Api\Exception\WrongUserinput(
lang('eGroupWare configuration file header.inc.php already exists, you need to use --edit-header or delete it first!'),20);
}
if ($this->arguments)
{
list($this->header_admin_password,$this->header_admin_user) = explode(',',$this->arguments[1]);
}
$this->check_setup_auth($this->header_admin_user,$this->header_admin_password); // no domain, we require header access!
$GLOBALS['egw_info']['server']['server_root'] = EGW_SERVER_ROOT;
$GLOBALS['egw_info']['server']['include_root'] = EGW_INCLUDE_ROOT;
}
if ($this->arguments) // we have command line arguments
{
$this->_parse_cli_arguments();
}
elseif ($this->sub_command == 'delete')
{
self::_delete_domain($this->domain);
}
else
{
$this->_parse_properties();
}
if (($errors = $this->validation_errors($GLOBALS['egw_info']['server']['server_root'],
$GLOBALS['egw_info']['server']['include_root'])))
{
if ($this->arguments)
{
unset($GLOBALS['egw_info']['flags']);
echo '$GLOBALS[egw_info] = '; print_r($GLOBALS['egw_info']);
echo '$GLOBALS[egw_domain] = '; print_r($GLOBALS['egw_domain']);
}
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throw new Api\Exception\WrongUserinput(lang('Configuration errors:')."\n- ".implode("\n- ",$errors)."\n".lang("You need to fix the above errors, before the configuration file header.inc.php can be written!"),23);
}
if ($check_only)
{
return true;
}
$header = $this->generate($GLOBALS['egw_info'],$GLOBALS['egw_domain']);
if ($this->arguments)
{
echo $header; // for cli, we echo the header
}
if (file_exists($this->header_path) && is_writable($this->header_path) || is_writable(dirname($this->header_path)) ||
function_exists('posix_getuid') && !posix_getuid()) // root has all rights
{
if (file_exists($this->header_path) && !is_writable($this->header_path))
{
unlink($this->header_path);
}
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if (($f = fopen($this->header_path,'wb')) && fwrite($f,$header))
{
fclose($f);
return lang('header.inc.php successful written.');
}
}
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throw new Api\Exception\NoPermission(lang("Failed writing configuration file header.inc.php, check the permissions !!!"),24);
}
/**
* Magic method to allow to call all methods from setup_header, as if they were our own
*
* @param string $method
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* @param array $args =null
* @return mixed
*/
function __call($method,array $args=null)
{
if (method_exists($this->setup_header,$method))
{
return call_user_func_array(array($this->setup_header,$method),$args);
}
}
/**
* Available options and allowed arguments
*
* @var array
*/
static $options = array(
'--create-header' => array(
'header_admin_password' => 'egw_info/server/',
'header_admin_user' => 'egw_info/server/',
),
'--edit-header' => array(
'header_admin_password' => 'egw_info/server/',
'header_admin_user' => 'egw_info/server/',
'new_admin_password' => 'egw_info/server/header_admin_password',
'new_admin_user' => 'egw_info/server/header_admin_user',
),
'--server-root' => 'egw_info/server/server_root',
'--include-root' => 'egw_info/server/include_root',
'--session-type' => array(
'sessions_type' => array(
'type' => 'egw_info/server/',
'allowed' => array('php'=>'php4','php4'=>'php4','php-restore'=>'php4-restore','php4-restore'=>'php4-restore','db'=>'db'),
),
),
'--session-handler' => array(
'session_handler' => array(
'type' => 'egw_info/server/',
'allowed' => array('files'=>'files','memcache'=>'memcache','db'=>'db'),
),
),
'--limit-access' => 'egw_info/server/setup_acl', // name used in setup
'--setup-acl' => 'egw_info/server/setup_acl', // alias to match the real name
'--mcrypt' => array(
'mcrypt_enabled' => array(
'type' => 'egw_info/server/',
'allowed' => array('on' => true,'off' => false),
),
'mcrypt_iv' => 'egw_info/server/',
'mcrypt' => 'egw_info/versions/mcrypt',
),
'--domain-selectbox' => array(
'show_domain_selectbox' => array(
'type' => 'egw_info/server/',
'allowed' => array('on' => true,'off' => false),
),
),
'--db-persistent' => array(
'db_persistent' => array(
'type' => 'egw_info/server/',
'allowed' => array('on' => true,'off' => false),
),
),
'--domain' => array(
'domain' => '@',
'db_name' => 'egw_domain/@/',
'db_user' => 'egw_domain/@/',
'db_pass' => 'egw_domain/@/',
'db_type' => 'egw_domain/@/',
'db_host' => 'egw_domain/@/',
'db_port' => 'egw_domain/@/',
'config_user' => 'egw_domain/@/',
'config_passwd' => 'egw_domain/@/',
),
'--delete-domain' => true,
);
/**
* Parses properties from this object
*/
private function _parse_properties()
{
foreach(self::$options as $arg => $option)
{
foreach(is_array($option) ? $option : array($option => $option) as $name => $data)
{
if (strpos($name,'/') !== false)
{
$name = array_pop($parts = explode('/',$name));
}
if (isset($this->$name))
{
$this->_parse_value($arg,$name,$data,$this->$name);
}
}
}
}
/**
* Parses command line arguments in $this->arguments
*/
private function _parse_cli_arguments()
{
$arguments = $this->arguments;
while(($arg = array_shift($arguments)))
{
$values = count($arguments) && substr($arguments[0],0,2) !== '--' ? array_shift($arguments) : 'on';
if ($arg == '--delete-domain')
{
$this->_delete_domain($values);
continue;
}
if (!isset(self::$options[$arg]))
{
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throw new Api\Exception\WrongUserinput(lang("Unknown option '%1' !!!",$arg),90);
}
$option = self::$options[$arg];
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$vals = !is_array($option) ? array($values) : explode(',',$values);
if (!is_array($option)) $option = array($option => $option);
$n = 0;
foreach($option as $name => $data)
{
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if ($n >= count($vals)) break;
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$this->_parse_value($arg,$name,$data,$vals[$n++]);
}
}
}
/**
* Delete a given domain/instance from the header
*
* @param string $domain
*/
private static function _delete_domain($domain)
{
if (!isset($GLOBALS['egw_domain'][$domain]))
{
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throw new Api\Exception\WrongUserinput(lang("Domain '%1' does NOT exist !!!",$domain),92);
}
unset($GLOBALS['egw_domain'][$domain]);
}
/**
* Parses a single value
*
* @param string $arg current cli argument processed
* @param string $name name of the property
* @param array/string $data string with type or array containing values for type, allowed
* @param mixed $value value to set
*/
private function _parse_value($arg,$name,$data,$value)
{
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static $domain=null;
if (!is_array($data)) $data = array('type' => $data);
$type = $data['type'];
if (isset($data['allowed']))
{
if (!isset($data['allowed'][$value]))
{
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throw new Api\Exception\WrongUserinput(lang("'%1' is not allowed as %2. arguments of option %3 !!!",$value,1,$arg),91);
}
$value = $data['allowed'][$value];
}
if ($type == '@')
{
$domain = $arg == '--domain' && !$value ? 'default' : $value;
if ($arg == '--domain' && (!isset($GLOBALS['egw_domain'][$domain]) || $this->sub_command == 'create'))
{
$GLOBALS['egw_domain'][$domain] = $this->domain_defaults($GLOBALS['egw_info']['server']['header_admin_user'],$GLOBALS['egw_info']['server']['header_admin_password']);
}
}
elseif ($value !== '')
{
self::_set_value($GLOBALS,str_replace('@',$domain,$type),$name,$value);
if ($type == 'egw_info/server/server_root')
{
self::_set_value($GLOBALS,'egw_info/server/include_root',$name,$value);
}
}
}
/**
* Set a value in the given array $arr with (multidimensional) key $index[/$name]
*
* @param array &$arr
* @param string $index multidimensional index written with / as separator, eg. egw_info/server/
* @param string $name additional index to use if $index end with a slash
* @param mixed $value value to set
*/
static private function _set_value(&$arr,$index,$name,$value)
{
if (substr($index,-1) == '/') $index .= $name;
$var =& $arr;
foreach(explode('/',$index) as $name)
{
$var =& $var[$name];
}
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if (true) $var = strpos($name,'passw') !== false ? md5($value) : $value;
}
}