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egroupware_official/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 $Id$
*/
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;
/**
* @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;
/**
* @var float $required_php_version php version required by eGroupWare
*/
var $required_php_version = 5.1;
var $recommended_php_version = '5.1+';
function setup($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();
$this->process = new setup_process();
if ($_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;
}
$GLOBALS['egw']->db = $this->db = new egw_db();
try {
$this->db->connect(
$GLOBALS['egw_domain'][$this->ConfigDomain]['db_name'],
$GLOBALS['egw_domain'][$this->ConfigDomain]['db_host'],
$GLOBALS['egw_domain'][$this->ConfigDomain]['db_port'],
$GLOBALS['egw_domain'][$this->ConfigDomain]['db_user'],
$GLOBALS['egw_domain'][$this->ConfigDomain]['db_pass'],
$GLOBALS['egw_domain'][$this->ConfigDomain]['db_type']
);
}
catch (Exception $e) {
return;
}
$this->db->set_app('phpgwapi');
if ($connect_and_setcharset)
{
$this->db->Halt_On_Error = 'no'; // table might not be created at that stage
$this->set_table_names(); // sets/checks config- and applications-table-name
// Set the DB's client charset if a system-charset is set
$this->db->select($this->config_table,'config_value',array(
'config_app' => 'phpgwapi',
'config_name' => 'system_charset',
),__LINE__,__FILE__);
if ($this->db->next_record() && $this->db->f(0))
{
$this->system_charset = $this->db->f(0);
$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
{
$this->db->select($this->applications_table,'app_version',array(
'app_name' => 'phpgwapi',
),__LINE__,__FILE__);
$api_version = $this->db->next_record() ? $this->db->f(0) : false;
}
if (!$api_version || !$this->alessthanb($api_version,'1.0.1.019'))
{
$this->db->Link_ID->SetCharSet($this->system_charset);
}
}
$this->db->Halt_On_Error = 'yes'; // setting the default again
}
}
/**
* Set the domain used for cookies
*
* @return string domain
*/
function set_cookiedomain()
{
// Use HTTP_X_FORWARDED_HOST if set, which is the case behind a none-transparent proxy
$this->cookie_domain = isset($_SERVER['HTTP_X_FORWARDED_HOST']) ? $_SERVER['HTTP_X_FORWARDED_HOST'] : $_SERVER['HTTP_HOST'];
// remove port from HTTP_HOST
if (preg_match("/^(.*):(.*)$/",$this->cookie_domain,$arr))
{
$this->cookie_domain = $arr[1];
}
if (count(explode('.',$this->cookie_domain)) <= 1)
{
// setcookie dont likes domains without dots, leaving it empty, gets setcookie to fill the domain in
$this->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))
{
$this->set_cookiedomain();
}
setcookie($cookiename,$cookievalue,$cookietime,'/',$this->cookie_domain);
}
/**
* authenticate the setup user
*
* @param $auth_type ???
*/
function auth($auth_type='Config')
{
#phpinfo();
$FormLogout = get_var('FormLogout', array('GET','POST'));
$ConfigLang = get_var('ConfigLang', array('POST','COOKIE'));
if(!$FormLogout)
{
$ConfigLogin = get_var('ConfigLogin', array('POST'));
$HeaderLogin = get_var('HeaderLogin', array('POST'));
$FormDomain = get_var('FormDomain', array('POST'));
$FormUser = get_var('FormUser', array('POST'));
$FormPW = get_var('FormPW', array('POST'));
$this->ConfigDomain = get_var('ConfigDomain',array('POST','COOKIE'));
$ConfigUser = get_var('ConfigUser', array('POST','COOKIE'));
$ConfigPW = get_var('ConfigPW', array('POST','COOKIE'));
$HeaderUser = get_var('HeaderUser', array('POST','COOKIE'));
$HeaderPW = get_var('HeaderPW', array('POST','COOKIE'));
/* Setup defaults to aid in header upgrade to version 1.26.
* This was the first version to include the following values.
*/
if(!@isset($GLOBALS['egw_domain'][$FormDomain]['config_user']) && isset($GLOBALS['egw_domain'][$FormDomain]))
{
@$GLOBALS['egw_domain'][$FormDomain]['config_user'] = 'admin';
}
if(!@isset($GLOBALS['egw_info']['server']['header_admin_user']))
{
@$GLOBALS['egw_info']['server']['header_admin_user'] = 'admin';
}
}
$remoteip = $_SERVER['REMOTE_ADDR'];
if(!empty($remoteip) && !$this->checkip($remoteip)) { return False; }
/* If FormLogout is set, simply invalidate the cookies (LOGOUT) */
switch(strtolower($FormLogout))
{
case 'config':
/* config logout */
$expire = time() - 86400;
$this->set_cookie('ConfigUser','',$expire,'/');
$this->set_cookie('ConfigPW','',$expire,'/');
$this->set_cookie('ConfigDomain','',$expire,'/');
// $this->set_cookie('ConfigLang','',$expire,'/');
$GLOBALS['egw_info']['setup']['LastDomain'] = $_COOKIE['ConfigDomain'];
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = lang('You have successfully logged out');
$GLOBALS['egw_info']['setup']['HeaderLoginMSG'] = '';
return False;
case 'header':
/* header admin logout */
$expire = time() - 86400;
$this->set_cookie('HeaderUser','',$expire,'/');
$this->set_cookie('HeaderPW','',$expire,'/');
// $this->set_cookie('ConfigLang','',$expire,'/');
$GLOBALS['egw_info']['setup']['HeaderLoginMSG'] = lang('You have successfully logged out');
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = '';
return False;
}
/* We get here if FormLogout is not set (LOGIN or subsequent pages) */
/* Expire login if idle for 20 minutes. The cookies are updated on every page load. */
$expire = (int)(time() + (1200*9));
switch(strtolower($auth_type))
{
case 'header':
if(!empty($HeaderLogin))
{
/* header admin login */
/* New test is md5, cleartext version is for header < 1.26 */
if ($this->check_auth($FormUser,$FormPW,$GLOBALS['egw_info']['server']['header_admin_user'],
$GLOBALS['egw_info']['server']['header_admin_password']))
{
$this->set_cookie('HeaderUser',$FormUser,$expire,'/');
$this->set_cookie('HeaderPW',md5($FormPW),$expire,'/');
$this->set_cookie('ConfigLang',$ConfigLang,$expire,'/');
return True;
}
else
{
$GLOBALS['egw_info']['setup']['HeaderLoginMSG'] = lang('Invalid password');
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = '';
return False;
}
}
elseif(!empty($HeaderPW) && $auth_type == 'Header')
{
// Returning after login to header admin
/* New test is md5, cleartext version is for header < 1.26 */
if ($this->check_auth($HeaderUser,$HeaderPW,$GLOBALS['egw_info']['server']['header_admin_user'],
$GLOBALS['egw_info']['server']['header_admin_password']))
{
$this->set_cookie('HeaderUser',$HeaderUser,$expire,'/');
$this->set_cookie('HeaderPW',$HeaderPW,$expire,'/');
$this->set_cookie('ConfigLang',$ConfigLang,$expire,'/');
return True;
}
else
{
$GLOBALS['egw_info']['setup']['HeaderLoginMSG'] = lang('Invalid password');
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = '';
return False;
}
}
break;
case 'config':
if(!empty($ConfigLogin))
{
/* config login */
/* New test is md5, cleartext version is for header < 1.26 */
if (isset($GLOBALS['egw_domain'][$FormDomain]) &&
$this->check_auth($FormUser,$FormPW,@$GLOBALS['egw_domain'][$FormDomain]['config_user'],
@$GLOBALS['egw_domain'][$FormDomain]['config_passwd']))
{
$this->set_cookie('ConfigUser',$FormUser,$expire,'/');
$this->set_cookie('ConfigPW',md5($FormPW),$expire,'/');
$this->set_cookie('ConfigDomain',$FormDomain,$expire,'/');
/* Set this now since the cookie will not be available until the next page load */
$this->ConfigDomain = $FormDomain;
$this->set_cookie('ConfigLang',$ConfigLang,$expire,'/');
return True;
}
else
{
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = lang('Invalid password');
$GLOBALS['egw_info']['setup']['HeaderLoginMSG'] = '';
return False;
}
}
elseif(!empty($ConfigPW))
{
// Returning after login to config
/* New test is md5, cleartext version is for header < 1.26 */
if ($this->check_auth($ConfigUser,$ConfigPW,@$GLOBALS['egw_domain'][$this->ConfigDomain]['config_user'],
@$GLOBALS['egw_domain'][$this->ConfigDomain]['config_passwd']))
{
$this->set_cookie('ConfigUser',$ConfigUser,$expire,'/');
$this->set_cookie('ConfigPW',$ConfigPW,$expire,'/');
$this->set_cookie('ConfigDomain',$this->ConfigDomain,$expire,'/');
$this->set_cookie('ConfigLang',$ConfigLang,$expire,'/');
return True;
}
else
{
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = lang('Invalid password');
$GLOBALS['egw_info']['setup']['HeaderLoginMSG'] = '';
return False;
}
}
break;
}
return False;
}
/**
* 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 $conf_pw the configured password
* @returns bool
*/
function check_auth($user,$pw,$conf_user,$conf_pw)
{
#echo "<p>setup::check_auth('$user','$pw','$conf_user','$conf_pw')</p>\n";exit;
if ($user != $conf_user)
{
return False; // wrong username
}
// Verify that $pw is not already encoded as md5
if(!preg_match('/^[0-9a-f]{32}$/',$conf_pw))
{
$conf_pw = md5($conf_pw);
}
// Verify that $pw is not already encoded as md5
if(!preg_match('/^[0-9a-f]{32}$/',$pw))
{
$pw = md5($pw);
}
return $pw == $conf_pw;
}
function checkip($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']['HeaderLoginMSG'] = '';
$GLOBALS['egw_info']['setup']['ConfigLoginMSG'] = lang('Invalid IP address');
return False;
}
/**
* Return X.X.X major version from X.X.X.X versionstring
*
* @param $
*/
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 $appname Application 'name' with a matching $setup_info[$appname] array slice
* @param $enable * optional, set to True/False to override setup.inc.php setting
*/
function register_app($appname,$enable=99)
{
$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'] . ', table: ' . $appstbl . '<br>';
// _debug_array($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' => $tables,
'app_version' => $setup_info[$appname]['version'],
),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)
{
$setup_info = $GLOBALS['setup_info'];
if(!$appname)
{
return False;
}
if(@$GLOBALS['DEBUG'])
{
echo '<br>app_registered(): checking ' . $appname . ', table: ' . $this->applications_table;
// _debug_array($setup_info[$appname]);
}
$this->db->select($this->applications_table,'COUNT(*)',array('app_name' => $appname),__LINE__,__FILE__);
if($this->db->next_record() && $this->db->f(0))
{
if(@$GLOBALS['DEBUG'])
{
echo '... app previously registered.';
}
return True;
}
if(@$GLOBALS['DEBUG'])
{
echo '... app not registered';
}
return False;
}
/**
* Update application info in the db
*
* @param $appname Application 'name' with a matching $setup_info[$appname] array slice
* @param $enabled optional, set to False to not enable this app
*/
function update_app($appname)
{
$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' => $tables,
'app_version' => $setup_info[$appname]['version'],
),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;
}
$setup_info = $GLOBALS['setup_info'];
//echo 'DELETING application: ' . $appname;
$this->db->delete($this->applications_table,array('app_name'=>$appname),__LINE__,__FILE__);
$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)
{
$setup_info = $GLOBALS['setup_info'];
if(!$appname)
{
return False;
}
if(!$this->hooks_table) // No hooks table yet
{
return False;
}
if (!is_object($this->hooks))
{
$this->hooks =& CreateObject('phpgwapi.hooks',$this->db,$this->hooks_table);
}
$this->hooks->register_hooks($appname,$setup_info[$appname]['hooks']);
}
/**
* Update an application's hooks
*
* @param $appname Application 'name' with a matching $setup_info[$appname] array slice
*/
function update_hooks($appname)
{
$this->register_hooks($appname);
}
/**
* de-Register an application's hooks
*
* @param $appname Application 'name' with a matching $setup_info[$appname] array slice
*/
function deregister_hooks($appname)
{
if(!$this->hooks_table) // No hooks table yet
{
return False;
}
if(!$appname)
{
return False;
}
//echo "DELETING hooks for: " . $setup_info[$appname]['name'];
if (!is_object($this->hooks))
{
$this->hooks =& CreateObject('phpgwapi.hooks',$this->db,$this->hooks_table);
}
$this->hooks->register_hooks($appname);
}
/**
* call the hooks for a single application
*
* @param $location hook location - required
* @param $appname application name - optional
*/
function hook($location, $appname='')
{
if (!is_object($this->hooks))
{
$this->hooks =& CreateObject('phpgwapi.hooks',$this->db,$this->hooks_table);
}
return $this->hooks->single($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 $config=array())
{
error_log(__METHOD__."($config)");
if (!is_object($this->accounts) || $config)
{
error_log(__METHOD__."($config) creating new this->accounts object");
if (!is_object($this->db))
{
$this->loaddb();
}
if (!$config)
{
// load the configuration from the database
$this->db->select($this->config_table,'config_name,config_value',
"config_name LIKE 'ldap%' OR config_name LIKE 'account_%' OR config_name LIKE '%encryption%' OR config_name='auth_type'",__LINE__,__FILE__);
while(($row = $this->db->row(true)))
{
$config[$row['config_name']] = $row['config_value'];
}
}
$this->accounts = new accounts($config);
if (!is_object($GLOBALS['egw']->accounts)) $GLOBALS['egw']->accounts = $this->accounts;
$this->accounts->cache_invalidate(); // the cache is shared for all instances of the class
if($this->accounts->backend instanceof accounts_ldap && !$this->accounts->backend->ds)
{
printf("<b>Error: Error connecting to LDAP server %s!</b><br>",$config['ldap_host']);
return false;
}
}
return true;
}
/**
* 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 $email
* @return int the numerical user-id
*/
function add_account($username,$first,$last,$passwd,$primary_group='Default',$changepw=False,$email='')
{
$this->setup_account_object();
$primary_group_id = $primary_group ? $this->accounts->name2id($primary_group) : False;
if(!($accountid = $this->accounts->name2id($username)))
{
$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=$accountid");
return false;
}
}
if ($primary_group) // only for users, NOT groups
{
$memberships = $this->accounts->memberships($accountid,true);
if($primary_group_id && !in_array($primary_group_id,$memberships))
{
$memberships[] = $primary_group_id;
$this->accounts->set_memberships($memberships,$accountid);
}
if (!$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;
}
/**
* Set the memberships of an account
*
* @param array $groups array of group-id's
* @param int $user account_id
*/
function set_memberships($groups,$user)
{
$this->setup_account_object();
return $this->accounts->set_memberships($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;
$accounts = $this->accounts->search(array(
'type' => 'accounts',
'start' => 0,
'offset' => 2 // we only need to check 2 accounts, if we just check for not anonymous
));
if (!$accounts || !is_array($accounts) || !count($accounts))
{
return false;
}
foreach($accounts as $account)
{
if ($account['account_lid'] != 'anonymous')
{
// we might add further checks, eg. if the account really has admin rights here
return true;
}
}
return false;
}
/**
* Add ACL rights
*
* Dont use it to set group-membership, use set_memberships instead!
*
* @param $app string/array with app-names
* @param $locations string eg. run
* @param $account int/string accountid or account_lid
* @param $rights int rights to set, default 1
*/
function add_acl($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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