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

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<?php
/**
* Setup
*
* @link http://www.egroupware.org
* @package setup
* @author Joseph Engo <jengo@phpgroupware.org>
* @author Dan Kuykendall <seek3r@phpgroupware.org>
* @author Mark Peters <skeeter@phpgroupware.org>
* @author Miles Lott <milos@groupwhere.org>
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
use EGroupware\Api;
class setup
{
var $db;
var $config_table = 'egw_config';
var $applications_table = 'egw_applications';
var $acl_table = 'egw_acl';
var $accounts_table = 'egw_accounts';
var $prefs_table = 'egw_preferences';
var $lang_table = 'egw_lang';
var $languages_table = 'egw_languages';
var $hooks_table = 'egw_hooks';
var $cats_table = 'egw_categories';
var $oProc;
var $cookie_domain;
/**
* Instance of the hooks class
*
* @var hooks
*/
var $hooks;
/**
* @var setup_detection
*/
var $detection;
/**
* @var setup_process
*/
var $process;
/**
* @var setup_translation
*/
var $translation;
/**
* @var setup_html
*/
var $html;
var $system_charset;
var $lang;
var $ConfigDomain;
/* table name vars */
var $tbl_apps;
var $tbl_config;
var $tbl_hooks;
/**
* php version required by eGroupware
*
* @var float
*/
var $required_php_version = 5.4;
/**
* PHP Version recommended for eGroupware
*
* @var string
*/
var $recommended_php_version = '5.6';
function __construct($html=False, $translation=False)
{
// setup us as $GLOBALS['egw_setup'], as this gets used in our sub-objects
$GLOBALS['egw_setup'] =& $this;
if (!is_object($GLOBALS['egw']))
{
require_once(EGW_API_INC.'/class.egw.inc.php');
$GLOBALS['phpgw'] = $GLOBALS['egw'] = new egw_minimal();
}
$this->detection = new setup_detection();
$this->process = new setup_process();
if (preg_match('/^[a-z0-9-]+$/i', $_REQUEST['system_charset'])) $this->system_charset = $_REQUEST['system_charset'];
/* The setup application needs these */
if ($html) $this->html = new setup_html();
if ($translation) $this->translation = new setup_translation();
}
/**
* include api db class for the ConfigDomain and connect to the db
*/
function loaddb($connect_and_setcharset=true)
{
if(!isset($this->ConfigDomain) || empty($this->ConfigDomain))
{
$this->ConfigDomain = get_var('ConfigDomain',array('COOKIE','POST'),$_POST['FormDomain']);
}
$GLOBALS['egw_info']['server']['db_type'] = $GLOBALS['egw_domain'][$this->ConfigDomain]['db_type'];
if ($GLOBALS['egw_info']['server']['db_type'] == 'pgsql')
{
$GLOBALS['egw_info']['server']['db_persistent'] = False;
}
try {
$GLOBALS['egw']->db = $this->db = new Api\Db\Deprecated($GLOBALS['egw_domain'][$this->ConfigDomain]);
$this->db->connect();
}
catch (Exception $e) {
unset($e);
return;
}
$this->db->set_app(Api\Db::API_APPNAME);
if ($connect_and_setcharset)
{
try {
$this->set_table_names(); // sets/checks config- and applications-table-name
// Set the DB's client charset if a system-charset is set
if (($this->system_charset = $this->db->select($this->config_table,'config_value',array(
'config_app' => 'phpgwapi',
'config_name' => 'system_charset',
),__LINE__,__FILE__)->fetchColumn()))
{
$this->db_charset_was = $this->db->Link_ID->GetCharSet(); // needed for the update
// we can NOT set the DB charset for mysql, if the api version < 1.0.1.019, as it would mess up the DB content!!!
if (substr($this->db->Type,0,5) == 'mysql') // we need to check the api version
{
$api_version = $this->db->select($this->applications_table,'app_version',array(
'app_name' => 'phpgwapi',
),__LINE__,__FILE__)->fetchColumn();
}
if (!$api_version || !$this->alessthanb($api_version,'1.0.1.019'))
{
$this->db->Link_ID->SetCharSet($this->system_charset);
}
}
}
catch (egw_exception_db $e) {
// table might not be created at that stage
}
}
}
/**
* Set the domain used for cookies
*
* @return string domain
*/
static function cookiedomain()
{
// Use HTTP_X_FORWARDED_HOST if set, which is the case behind a none-transparent proxy
$cookie_domain = isset($_SERVER['HTTP_X_FORWARDED_HOST']) ? $_SERVER['HTTP_X_FORWARDED_HOST'] : $_SERVER['HTTP_HOST'];
// remove port from HTTP_HOST
$arr = null;
if (preg_match("/^(.*):(.*)$/",$cookie_domain,$arr))
{
$cookie_domain = $arr[1];
}
if (count(explode('.',$cookie_domain)) <= 1)
{
// setcookie dont likes domains without dots, leaving it empty, gets setcookie to fill the domain in
$cookie_domain = '';
}
return $cookie_domain;
}
/**
* Set a cookie
*
* @param string $cookiename name of cookie to be set
* @param string $cookievalue value to be used, if unset cookie is cleared (optional)
* @param int $cookietime when cookie should expire, 0 for session only (optional)
*/
function set_cookie($cookiename,$cookievalue='',$cookietime=0)
{
if(!isset($this->cookie_domain))
{
$this->cookie_domain = self::cookiedomain();
}
setcookie($cookiename, $cookievalue, $cookietime, '/', $this->cookie_domain,
// if called via HTTPS, only send cookie for https and only allow cookie access via HTTP (true)
!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off', true);
}
/**
* Get configuration language from $_POST or $_SESSION and validate it
*
* @return string
*/
static function get_lang()
{
if (isset($_POST['ConfigLang']))
{
$ConfigLang = $_POST['ConfigLang'];
}
else
{
if (!isset($_SESSION)) self::session_start();
$ConfigLang = $_SESSION['ConfigLang'];
}
if (!preg_match('/^[a-z]{2}(-[a-z]{2})?$/',$ConfigLang))
{
$ConfigLang = null; // not returning 'en', as it suppresses the language selection in check_install and manageheader
}
//error_log(__METHOD__."() \$_POST['ConfigLang']=".array2string($_POST['ConfigLang']).", \$_SESSION['ConfigLang']=".array2string($_SESSION['ConfigLang'])." returning ".array2string($ConfigLang));
return $ConfigLang;
}
/**
* Name of session cookie
*/
const SESSIONID = 'sessionid';
/**
* Session timeout in secs (1200 = 20min)
*/
const TIMEOUT = 1200;
/**
* Start session
*/
private static function session_start()
{
// make sure we have session extension available, otherwise fail with exception that we need it
check_load_extension('session', true);
ini_set('session.use_cookie', true);
session_name(self::SESSIONID);
session_set_cookie_params(0, '/', self::cookiedomain(),
// if called via HTTPS, only send cookie for https and only allow cookie access via HTTP (true)
!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off', true);
if (isset($_COOKIE[self::SESSIONID])) session_id($_COOKIE[self::SESSIONID]);
$ok = @session_start(); // suppress notice if session already started or warning in CLI
// need to decrypt session, in case session encryption is switched on in header.inc.php
egw_session::decrypt();
//error_log(__METHOD__."() returning ".array2string($ok).' _SESSION='.array2string($_SESSION));
return $ok;
}
/**
* authenticate the setup user
*
* @param string $_auth_type ='config' 'config' or 'header' (caseinsensitiv)
*/
function auth($_auth_type='config')
{
$auth_type = strtolower($_auth_type);
$GLOBALS['egw_info']['setup']['HeaderLoginMSG'] = $GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = '';
if(!$this->checkip($_SERVER['REMOTE_ADDR']))
{
//error_log(__METHOD__."('$auth_type') invalid IP");
return false;
}
if (!self::session_start() || isset($_REQUEST['FormLogout']) ||
empty($_SESSION['egw_setup_auth_type']) || $_SESSION['egw_setup_auth_type'] != $auth_type)
{
//error_log(__METHOD__."('$auth_type') \$_COOKIE['".self::SESSIONID."'] = ".array2string($_COOKIE[self::SESSIONID]).", \$_SESSION=".array2string($_SESSION).", \$_POST=".array2string($_POST));
if (isset($_REQUEST['FormLogout']))
{
$this->set_cookie(self::SESSIONID, '', time()-86400);
session_destroy();
if ($_REQUEST['FormLogout'] == 'config')
{
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = lang('You have successfully logged out');
}
else
{
$GLOBALS['egw_info']['setup']['HeaderLoginMSG'] = lang('You have successfully logged out');
}
return false;
}
if (!isset($_POST['FormUser']) || !isset($_POST['FormPW']))
{
return false;
}
switch($auth_type)
{
case 'config':
if (!isset($GLOBALS['egw_domain'][$_POST['FormDomain']]) ||
!$this->check_auth($_POST['FormUser'], $_POST['FormPW'],
$GLOBALS['egw_domain'][$_POST['FormDomain']]['config_user'],
$GLOBALS['egw_domain'][$_POST['FormDomain']]['config_passwd']) &&
!$this->check_auth($_POST['FormUser'], $_POST['FormPW'],
$GLOBALS['egw_info']['server']['header_admin_user'],
$GLOBALS['egw_info']['server']['header_admin_password']))
{
//error_log(__METHOD__."() Invalid password: $_POST[FormDomain]: used $_POST[FormUser]/md5($_POST[FormPW])=".md5($_POST['FormPW'])." != {$GLOBALS['egw_info']['server']['header_admin_user']}/{$GLOBALS['egw_info']['server']['header_admin_password']}");
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = lang('Invalid password');
return false;
}
$this->ConfigDomain = $_SESSION['egw_setup_domain'] = $_POST['FormDomain'];
break;
default:
case 'header':
if (!$this->check_auth($_POST['FormUser'], $_POST['FormPW'],
$GLOBALS['egw_info']['server']['header_admin_user'],
$GLOBALS['egw_info']['server']['header_admin_password']))
{
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = lang('Invalid password');
return false;
}
break;
}
$_SESSION['egw_setup_auth_type'] = $auth_type;
$_SESSION['ConfigLang'] = self::get_lang();
$_SESSION['egw_last_action_time'] = time();
session_regenerate_id(true);
$this->set_cookie(self::SESSIONID, session_id(), 0);
return true;
}
//error_log(__METHOD__."('$auth_type') \$_COOKIE['".self::SESSIONID."'] = ".array2string($_COOKIE[self::SESSIONID]).", \$_SESSION=".array2string($_SESSION));
if ($_SESSION['egw_last_action_time'] < time() - self::TIMEOUT)
{
$this->set_cookie(self::SESSIONID, '', time()-86400);
session_destroy();
$GLOBALS['egw_info']['setup'][$_SESSION['egw_setup_auth_type'] == 'config' ? 'ConfigLoginMSG' : 'HeaderLoginMSG'] =
lang('Session expired');
return false;
}
if ($auth_type == 'config')
{
$this->ConfigDomain = $_SESSION['egw_setup_domain'];
}
// update session timeout
$_SESSION['egw_last_action_time'] = time();
// we have a valid session for $auth_type
return true;
}
/**
* check if username and password is valid
*
* this function compares the supplied and stored username and password
* as any of the passwords can be clear text or md5 we convert them to md5
* internal and compare always the md5 hashs
*
* @param string $user the user supplied username
* @param string $pw the user supplied password
* @param string $conf_user the configured username
* @param string $hash hash to check password agains (no {prefix} for plain and md5!)
* @returns bool true on success
*/
static function check_auth($user, $pw, $conf_user, $hash)
{
if ($user !== $conf_user)
{
$ret = false; // wrong username
}
else
{
// support for old plain-text passwords without "{plain}" prefix
if ($hash[0] !== '{' && !preg_match('/^[0-9a-f]{32}$/', $hash))
{
$hash = '{plain}'.$hash;
}
$ret = auth::compare_password($pw, $hash, 'md5');
}
//error_log(__METHOD__."('$user', '$pw', '$conf_user', '$hash') returning ".array2string($ret));
return $ret;
}
/**
* Check for correct IP, if an IP address should be enforced
*
* @param string $remoteip
* @return boolean
*/
function checkip($remoteip='')
{
//echo "<p>setup::checkip($remoteip) against setup_acl='".$GLOBALS['egw_info']['server']['setup_acl']."'</p>\n";
$allowed_ips = explode(',',@$GLOBALS['egw_info']['server']['setup_acl']);
if(empty($GLOBALS['egw_info']['server']['setup_acl']) || !is_array($allowed_ips))
{
return True; // no test
}
$remotes = explode('.',$remoteip);
foreach($allowed_ips as $value)
{
if (!preg_match('/^[0-9.]+$/',$value))
{
$value = gethostbyname($was=$value); // resolve domain-name, eg. a dyndns account
//echo "resolving '$was' to '$value'<br>\n";
}
$values = explode('.',$value);
for($i = 0; $i < count($values); ++$i)
{
if ((int) $values[$i] != (int) $remotes[$i])
{
break;
}
}
if ($i == count($values))
{
return True; // match
}
}
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = lang('Invalid IP address').' '.$remoteip;
error_log(__METHOD__.'-> checking IP failed:'.print_r($remoteip,true));
return False;
}
/**
* Return X.X.X major version from X.X.X.X versionstring
*
* @param string $versionstring
*/
function get_major($versionstring)
{
if(!$versionstring)
{
return False;
}
$version = str_replace('pre','.',$versionstring);
$varray = explode('.',$version);
$major = implode('.',array($varray[0],$varray[1],$varray[2]));
return $major;
}
/**
* Clear system/user level cache so as to have it rebuilt with the next access
*
* @deprecated AFAIK this code is not used anymore -- RalfBecker 2005/11/04
*/
function clear_session_cache()
{
}
/**
* Add an application to the phpgw_applications table
*
* @param string $appname Application 'name' with a matching $setup_info[$appname] array slice
* @param $_enable =99 set to True/False to override setup.inc.php setting
* @param array $setup_info =null default use $GLOBALS['setup_info']
*/
function register_app($appname, $_enable=99, array $setup_info=null)
{
if (!isset($setup_info)) $setup_info = $GLOBALS['setup_info'];
if(!$appname)
{
return False;
}
if($_enable == 99)
{
$_enable = $setup_info[$appname]['enable'];
}
$enable = (int)$_enable;
if($GLOBALS['DEBUG'])
{
echo '<br>register_app(): ' . $appname . ', version: ' . $setup_info[$appname]['version'] . ', tables: ' . implode(', ',$setup_info[$appname]['tables']) . '<br>';
// _debug_array($setup_info[$appname]);
}
if($setup_info[$appname]['version'])
{
if($setup_info[$appname]['tables'])
{
$tables = implode(',',$setup_info[$appname]['tables']);
}
if ($setup_info[$appname]['tables_use_prefix'] == True)
{
if($GLOBALS['DEBUG'])
{
echo "<br>$appname uses tables_use_prefix, storing ". $setup_info[$appname]['tables_prefix']." as prefix for tables\n";
}
$this->db->insert($this->config_table,array(
'config_app' => $appname,
'config_name' => $appname.'_tables_prefix',
'config_value' => $setup_info[$appname]['tables_prefix'],
),False,__LINE__,__FILE__);
}
$this->db->insert($this->applications_table,array(
'app_name' => $appname,
'app_enabled' => $enable,
'app_order' => $setup_info[$appname]['app_order'],
'app_tables' => (string)$tables, // app_tables is NOT NULL
'app_version' => $setup_info[$appname]['version'],
'app_index' => $setup_info[$appname]['index'],
'app_icon' => $setup_info[$appname]['icon'],
'app_icon_app' => $setup_info[$appname]['icon_app'],
),False,__LINE__,__FILE__);
$this->clear_session_cache();
}
}
/**
* Check if an application has info in the db
*
* @param $appname Application 'name' with a matching $setup_info[$appname] array slice
* @param $enabled optional, set to False to not enable this app
*/
function app_registered($appname)
{
if(!$appname)
{
return False;
}
if(@$GLOBALS['DEBUG'])
{
echo '<br>app_registered(): checking ' . $appname . ', table: ' . $this->applications_table;
// _debug_array($setup_info[$appname]);
}
if ($this->db->select($this->applications_table,'COUNT(*)',array('app_name' => $appname),__LINE__,__FILE__)->fetchColumn())
{
if(@$GLOBALS['DEBUG'])
{
echo '... app previously registered.';
}
return True;
}
if(@$GLOBALS['DEBUG'])
{
echo '... app not registered';
}
return False;
}
/**
* Update application info in the db
*
* @param string $appname Application 'name' with a matching $setup_info[$appname] array slice
* @param array $setup_info =null default use $GLOBALS['setup_info']
*/
function update_app($appname, array $setup_info=null)
{
if (!isset($setup_info)) $setup_info = $GLOBALS['setup_info'];
if(!$appname)
{
return False;
}
if($GLOBALS['DEBUG'])
{
echo '<br>update_app(): ' . $appname . ', version: ' . $setup_info[$appname]['currentver'] . ', table: ' . $this->applications_table . '<br>';
// _debug_array($setup_info[$appname]);
}
if(!$this->app_registered($appname))
{
return False;
}
if($setup_info[$appname]['version'])
{
//echo '<br>' . $setup_info[$appname]['version'];
if($setup_info[$appname]['tables'])
{
$tables = implode(',',$setup_info[$appname]['tables']);
}
$this->db->update($this->applications_table,array(
'app_enabled' => $setup_info[$appname]['enable'],
'app_order' => $setup_info[$appname]['app_order'],
'app_tables' => (string)$tables, // app_tables is NOT NULL
'app_version' => $setup_info[$appname]['version'],
'app_index' => $setup_info[$appname]['index'],
'app_icon' => $setup_info[$appname]['icon'],
'app_icon_app' => $setup_info[$appname]['icon_app'],
),array('app_name'=>$appname),__LINE__,__FILE__);
}
}
/**
* Update application version in applications table, post upgrade
*
* @param $setup_info * Array of application information (multiple apps or single)
* @param $appname * Application 'name' with a matching $setup_info[$appname] array slice
* @param $tableschanged ???
*/
function update_app_version($setup_info, $appname, $tableschanged = True)
{
if(!$appname)
{
return False;
}
if($tableschanged == True)
{
$GLOBALS['egw_info']['setup']['tableschanged'] = True;
}
if($setup_info[$appname]['currentver'])
{
$this->db->update($this->applications_table,array(
'app_version' => $setup_info[$appname]['currentver'],
),array('app_name'=>$appname),__LINE__,__FILE__);
}
return $setup_info;
}
/**
* de-Register an application
*
* @param $appname Application 'name' with a matching $setup_info[$appname] array slice
*/
function deregister_app($appname)
{
if(!$appname)
{
return False;
}
// Remove categories
$this->db->delete(Api\Categories::TABLE, array('cat_appname'=>$appname),__LINE__,__FILE__);
Api\Categories::invalidate_cache($appname);
// Remove config
$this->db->delete(Api\Config::TABLE, array('config_app'=>$appname),__LINE__,__FILE__);
//echo 'DELETING application: ' . $appname;
$this->db->delete($this->applications_table,array('app_name'=>$appname),__LINE__,__FILE__);
// Remove links to the app
Api\Link::unlink(0, $appname);
$this->clear_session_cache();
}
/**
* Register an application's hooks
*
* @param $appname Application 'name' with a matching $setup_info[$appname] array slice
*/
function register_hooks($appname)
{
if(!$appname)
{
return False;
}
Api\Hooks::read(true);
}
/**
* Setup default and forced preferences, when an application gets installed
*
* @param string $appname
* @return boolean false app not found or no hook settings, true settings found and defaull & forced prefs stored, if there are any defined
*/
function set_default_preferences($appname)
{
$setup_info = $GLOBALS['setup_info'][$appname];
if (!isset($setup_info) || !isset($setup_info['hooks']))
{
return false; // app not found or no hook
}
$GLOBALS['settings'] = array();
if (isset($setup_info['hooks']['settings']))
{
$settings = ExecMethod($setup_info['hooks']['settings'],array('location' => 'settings','setup' => true));
}
elseif(in_array('settings',$setup_info['hooks']) && file_exists($file = EGW_INCLUDE_ROOT.'/'.$appname.'/inc/hook_settings.inc.php'))
{
include_once($file);
}
if (!isset($settings) || !is_array($settings))
{
$settings = $GLOBALS['settings']; // old file hook or not updated new hook
}
if (!is_array($settings) || !count($settings))
{
return false;
}
// include idots template prefs for (common) preferences
if ($appname == 'preferences' && file_exists($file = EGW_INCLUDE_ROOT.'/phpgwapi/templates/idots/hook_settings.inc.php'))
{
$GLOBALS['settings'] = array();
include_once($file);
if ($GLOBALS['settings']) $settings = array_merge($settings,$GLOBALS['settings']);
}
$default = $forced = array();
foreach($settings as $name => $setting)
{
if (isset($setting['default']))
{
$default[$name] = (string)$setting['default'];
}
if (isset($setting['forced']))
{
$forced[$name] = (string)$setting['forced'];
}
}
// store default/forced preferences, if any found
$preferences = new preferences();
$preferences->read_repository(false);
foreach(array(
'default' => $default,
'forced' => $forced,
) as $type => $prefs)
{
if ($prefs)
{
foreach($prefs as $name => $value)
{
$preferences->add($appname == 'preferences' ? 'common' : $appname, $name, $value, $type);
}
$preferences->save_repository(false, $type);
//error_log(__METHOD__."('$appname') storing ".($owner==preferences::DEFAULT_ID?'default':'forced')." prefs=".array2string($prefs));
}
}
return true;
}
/**
* call the hooks for a single application
*
* @param $location hook location - required
* @param $appname application name - optional
*/
function hook($location, $appname='')
{
return Api\Hooks::single($location,$appname,True,True);
}
/**
* egw version checking, is param 1 < param 2 in phpgw versionspeak?
* @param $a phpgw version number to check if less than $b
* @param $b phpgw version number to check $a against
* @return True if $a < $b
*/
function alessthanb($a,$b,$DEBUG=False)
{
$num = array('1st','2nd','3rd','4th');
if($DEBUG)
{
echo'<br>Input values: '
. 'A="'.$a.'", B="'.$b.'"';
}
$newa = str_replace('pre','.',$a);
$newb = str_replace('pre','.',$b);
$testa = explode('.',$newa);
if(@$testa[1] == '')
{
$testa[1] = 0;
}
$testb = explode('.',$newb);
if(@$testb[1] == '')
{
$testb[1] = 0;
}
if(@$testb[3] == '')
{
$testb[3] = 0;
}
$less = 0;
for($i=0;$i<count($testa);$i++)
{
if($DEBUG) { echo'<br>Checking if '. (int)$testa[$i] . ' is less than ' . (int)$testb[$i] . ' ...'; }
if((int)$testa[$i] < (int)$testb[$i])
{
if ($DEBUG) { echo ' yes.'; }
$less++;
if($i<3)
{
/* Ensure that this is definitely smaller */
if($DEBUG) { echo" This is the $num[$i] octet, so A is definitely less than B."; }
$less = 5;
break;
}
}
elseif((int)$testa[$i] > (int)$testb[$i])
{
if($DEBUG) { echo ' no.'; }
$less--;
if($i<2)
{
/* Ensure that this is definitely greater */
if($DEBUG) { echo" This is the $num[$i] octet, so A is definitely greater than B."; }
$less = -5;
break;
}
}
else
{
if($DEBUG) { echo ' no, they are equal or of different length.'; }
// makes sure eg. '1.0.0' is counted less the '1.0.0.xxx' !
$less = count($testa) < count($testb) ? 1 : 0;
}
}
if($DEBUG) { echo '<br>Check value is: "'.$less.'"'; }
if($less>0)
{
if($DEBUG) { echo '<br>A is less than B'; }
return True;
}
elseif($less<0)
{
if($DEBUG) { echo '<br>A is greater than B'; }
return False;
}
else
{
if($DEBUG) { echo '<br>A is equal to B'; }
return False;
}
}
/**
* egw version checking, is param 1 > param 2 in phpgw versionspeak?
*
* @param $a phpgw version number to check if more than $b
* @param $b phpgw version number to check $a against
* @return True if $a < $b
*/
function amorethanb($a,$b,$DEBUG=False)
{
$num = array('1st','2nd','3rd','4th');
if($DEBUG)
{
echo'<br>Input values: '
. 'A="'.$a.'", B="'.$b.'"';
}
$newa = str_replace('pre','.',$a);
$newb = str_replace('pre','.',$b);
$testa = explode('.',$newa);
if($testa[3] == '')
{
$testa[3] = 0;
}
$testb = explode('.',$newb);
if($testb[3] == '')
{
$testb[3] = 0;
}
$less = 0;
for($i=0;$i<count($testa);$i++)
{
if($DEBUG) { echo'<br>Checking if '. (int)$testa[$i] . ' is more than ' . (int)$testb[$i] . ' ...'; }
if((int)$testa[$i] > (int)$testb[$i])
{
if($DEBUG) { echo ' yes.'; }
$less++;
if($i<3)
{
/* Ensure that this is definitely greater */
if($DEBUG) { echo" This is the $num[$i] octet, so A is definitely greater than B."; }
$less = 5;
break;
}
}
elseif((int)$testa[$i] < (int)$testb[$i])
{
if($DEBUG) { echo ' no.'; }
$less--;
if($i<2)
{
/* Ensure that this is definitely smaller */
if($DEBUG) { echo" This is the $num[$i] octet, so A is definitely less than B."; }
$less = -5;
break;
}
}
else
{
if($DEBUG) { echo ' no, they are equal.'; }
$less = 0;
}
}
if($DEBUG) { echo '<br>Check value is: "'.$less.'"'; }
if($less>0)
{
if($DEBUG) { echo '<br>A is greater than B'; }
return True;
}
elseif($less<0)
{
if($DEBUG) { echo '<br>A is less than B'; }
return False;
}
else
{
if($DEBUG) { echo '<br>A is equal to B'; }
return False;
}
}
/**
* Own instance of the accounts class
*
* @var accounts
*/
var $accounts;
function setup_account_object(array $config=array())
{
if (!isset($this->accounts) || $this->accounts->config || $config)
{
if (!is_object($this->db))
{
$this->loaddb();
}
if (!$config)
{
// load the configuration from the database
foreach($this->db->select($this->config_table,'config_name,config_value',
"config_name LIKE 'ads%' OR config_name LIKE 'ldap%' OR config_name LIKE 'account_%' OR config_name LIKE '%encryption%' OR config_name='auth_type'",
__LINE__,__FILE__) as $row)
{
$GLOBALS['egw_info']['server'][$row['config_name']] = $config[$row['config_name']] = $row['config_value'];
}
}
try {
$this->accounts = new Api\Accounts($config);
}
catch (Exception $e) {
echo "<p><b>".$e->getMessage()."</b></p>\n";
return false;
}
if (!isset($GLOBALS['egw']->accounts)) $GLOBALS['egw']->accounts = $this->accounts;
accounts::cache_invalidate(); // the cache is shared for all instances of the class
}
return true;
}
/**
* Used to store and share password of user "anonymous" between calls to add_account from different app installs
* @var unknown
*/
protected $anonpw;
/**
* add an user account or a user group
*
* if the $username already exists, only the id is returned, no new user / group gets created
*
* @param string $username alphanumerical username or groupname (account_lid)
* @param string $first first name
* @param string $last last name
* @param $passwd string cleartext pw
* @param string/boolean $primary_group Groupname for users primary group or False for a group, default 'Default'
* @param boolean $changepw user has right to change pw, default False = Pw change NOT allowed
* @param string $email
* @param string &$anonpw=null on return password for anonymous user
* @return int the numerical user-id
*/
function add_account($username,$first,$last,$passwd,$primary_group='Default',$changepw=False,$email='',&$anonpw=null)
{
$this->setup_account_object();
$primary_group_id = $primary_group ? $this->accounts->name2id($primary_group) : False;
if ($username == 'anonymous')
{
if (!isset($this->anonpw)) $this->anonpw = auth::randomstring(16);
$passwd = $anonpw = $this->anonpw;
}
if(!($accountid = $this->accounts->name2id($username, 'account_lid', $primary_group ? 'u' : 'g')))
{
$account = array(
'account_type' => $primary_group ? 'u' : 'g',
'account_lid' => $username,
'account_passwd' => $passwd,
'account_firstname' => $first,
'account_lastname' => $last,
'account_status' => 'A',
'account_primary_group' => $primary_group_id,
'account_expires' => -1,
'account_email' => $email,
'account_members' => ''
);
if (!($accountid = $this->accounts->save($account)))
{
error_log("setup::add_account('$username','$first','$last',\$passwd,'$primary_group',$changepw,'$email') failed! accountid=$accountid");
return false;
}
}
// set password for existing account, if given and not '*unchanged*'
elseif($passwd && $passwd != '*unchanged*')
{
try {
$auth = new auth;
$pw_changed = $auth->change_password(null, $passwd, $accountid);
}
catch (Exception $e)
{
unset($e);
$pw_changed = false;
}
if (!$pw_changed)
{
error_log("setup::add_account('$username','$first','$last',\$passwd,'$primary_group',$changepw,'$email') changin password of exisiting account #$accountid failed!");
return false;
}
}
// call vfs_home_hooks::add{account|group} hook to create the vfs-home-dirs
// calling general add{account|group} hook fails, as we are only in setup
// --> setup_cmd_admin execs "admin/admin-cli.php --edit-user" to run them
if ($primary_group)
{
vfs_home_hooks::addAccount(array(
'account_id' => $accountid,
'account_lid' => $username,
));
}
else
{
vfs_home_hooks::addGroup(array(
'account_id' => $accountid,
'account_lid' => $username,
));
}
if ($primary_group) // only for users, NOT groups
{
$this->set_memberships(array($primary_group_id), $accountid);
if (!$changepw) $this->add_acl('preferences','nopasswordchange',$accountid);
}
//error_log("setup::add_account('$username','$first','$last',\$passwd,'$primary_group',$changepw,'$email') successfull created accountid=$accountid");
return $accountid;
}
/**
* Adding memberships to an account (keeping existing ones!)
*
* @param array $_groups array of group-id's to add
* @param int $user account_id
*/
function set_memberships($_groups, $user)
{
$this->setup_account_object();
if (!($groups = $this->accounts->memberships($user, true)))
{
$groups = $_groups;
}
else
{
$groups = array_unique(array_merge($groups, $_groups));
}
$this->accounts->set_memberships($groups, $user);
}
/**
* Check if accounts other then the automatically installed anonymous account exist
*
* We check via the account object, to deal with different account-storages
*
* @return boolean
*/
function accounts_exist()
{
if (!$this->setup_account_object()) return false;
$this->accounts->search(array(
'type' => 'accounts',
'start' => 0,
'offset' => 2 // we only need to check 2 accounts, if we just check for not anonymous
));
return $this->accounts->total > 1;
}
/**
* Add ACL rights
*
* Dont use it to set group-membership, use set_memberships instead!
*
* @param string|array $apps app-names
* @param string $location eg. "run"
* @param int|string $account accountid or account_lid
* @param int $rights rights to set, default 1
*/
function add_acl($apps,$location,$account,$rights=1)
{
//error_log("setup::add_acl(".(is_array($apps) ? "array('".implode("','",$apps)."')" : "'$apps'").",'$location',$account,$rights)");
if (!is_numeric($account))
{
$this->setup_account_object();
$account = $this->accounts->name2id($account);
}
if(!is_object($this->db))
{
$this->loaddb();
}
if(!is_array($apps))
{
$apps = array($apps);
}
foreach($apps as $app)
{
$this->db->delete($this->acl_table,array(
'acl_appname' => $app,
'acl_location' => $location,
'acl_account' => $account
),__LINE__,__FILE__);
if ((int) $rights)
{
$this->db->insert($this->acl_table,array(
'acl_rights' => $rights
),array(
'acl_appname' => $app,
'acl_location' => $location,
'acl_account' => $account,
),__LINE__,__FILE__);
}
}
}
/**
* checks if one of the given tables exist, returns the first match
*
* @param array $tables array with possible table-names
* @return string/boolean tablename or false
*/
function table_exist($tables,$force_refresh=False)
{
static $table_names = False;
if (!$table_names || $force_refresh) $table_names = $this->db->table_names();
if (!$table_names) return false;
foreach($table_names as $data)
{
if (($key = array_search($data['table_name'],$tables)) !== false)
{
return $tables[$key];
}
}
return false;
}
/**
* Checks and set the names of the tables, which get accessed before an update: eg. config- and applications-table
*
* Other tables can always use the most up to date name
*/
function set_table_names($force_refresh=False)
{
foreach(array(
'config_table' => array('egw_config','phpgw_config','config'),
'applications_table' => array('egw_applications','phpgw_applications','applications'),
'accounts_table' => array('egw_accounts','phpgw_accounts'),
'acl_table' => array('egw_acl','phpgw_acl'),
'lang_table' => array('egw_lang','phpgw_lang','lang'),
'languages_table' => array('egw_languages','phpgw_languages','languages'),
) as $name => $tables)
{
$table = $this->table_exist($tables,$force_refresh);
if ($table && $table != $this->$name) // only overwrite the default name, if we realy got one (important for new installs)
{
$this->$name = $table;
}
//echo "<p>setup::set_table_names: $name = '{$this->$name}'</p>\n";
}
}
}
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