egroupware_official/setup/inc/class.setup_detection.inc.php

592 lines
18 KiB
PHP
Executable File

<?php
/**
* Setup
*
* @link http://www.egroupware.org
* @package setup
* @author Dan Kuykendall <seek3r@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 detecting the current installation status of EGroupware
*/
class setup_detection
{
/**
* Get available application versions and data from filesystem
*
* @return array $setup_info
*/
function get_versions()
{
$d = dir(EGW_SERVER_ROOT);
while($entry=$d->read())
{
if($entry != ".." && $entry != 'setup' && is_dir(EGW_SERVER_ROOT . '/' . $entry))
{
$f = EGW_SERVER_ROOT . '/' . $entry . '/setup/setup.inc.php';
if (@file_exists ($f))
{
include($f);
$setup_info[$entry]['filename'] = $f;
}
}
}
$d->close();
// _debug_array($setup_info);
@ksort($setup_info);
return $setup_info;
}
/**
* Get versions of installed applications from database
*
* @param array $setup_info
* @return array $setup_info
*/
function get_db_versions($setup_info=null)
{
$tname = Array();
try { // catch DB errors
$GLOBALS['egw_setup']->set_table_names();
if($GLOBALS['egw_setup']->table_exist(array($GLOBALS['egw_setup']->applications_table),true))
{
/* one of these tables exists. checking for post/pre beta version */
if($GLOBALS['egw_setup']->applications_table != 'applications')
{
$GLOBALS['egw_setup']->db->select($GLOBALS['egw_setup']->applications_table,'*',false,__LINE__,__FILE__);
while(@$GLOBALS['egw_setup']->db->next_record())
{
$app = $GLOBALS['egw_setup']->db->f('app_name');
if (!isset($setup_info[$app])) // app source no longer there
{
$setup_info[$app] = array(
'name' => $app,
'tables' => $GLOBALS['egw_setup']->db->f('app_tables'),
'version' => 'deleted',
);
}
$setup_info[$app]['currentver'] = $GLOBALS['egw_setup']->db->f('app_version');
$setup_info[$app]['enabled'] = $GLOBALS['egw_setup']->db->f('app_enabled');
}
/* This is to catch old setup installs that did not have phpgwapi listed as an app */
$tmp = @$setup_info['phpgwapi']['version']; /* save the file version */
if(!@$setup_info['phpgwapi']['currentver'])
{
$setup_info['phpgwapi']['currentver'] = $setup_info['admin']['currentver'];
$setup_info['phpgwapi']['version'] = $setup_info['admin']['currentver'];
$setup_info['phpgwapi']['enabled'] = $setup_info['admin']['enabled'];
// _debug_array($setup_info['phpgwapi']);exit;
// There seems to be a problem here. If ['phpgwapi']['currentver'] is set,
// The GLOBALS never gets set.
$GLOBALS['setup_info'] = $setup_info;
$GLOBALS['egw_setup']->register_app('phpgwapi');
}
else
{
$GLOBALS['setup_info'] = $setup_info;
}
$setup_info['phpgwapi']['version'] = $tmp; /* restore the file version */
}
else
{
$GLOBALS['egw_setup']->db->query('select * from applications');
while(@$GLOBALS['egw_setup']->db->next_record())
{
if($GLOBALS['egw_setup']->db->f('app_name') == 'admin')
{
$setup_info['phpgwapi']['currentver'] = $GLOBALS['egw_setup']->db->f('app_version');
}
$setup_info[$GLOBALS['egw_setup']->db->f('app_name')]['currentver'] = $GLOBALS['egw_setup']->db->f('app_version');
}
}
}
}
catch (egw_exception_db $e) {
// ignore db errors
}
// _debug_array($setup_info);
return $setup_info;
}
/**
* Compare versions from filesystem and database and set status:
* U Upgrade required/available
* R upgrade in pRogress
* C upgrade Completed successfully
* D Dependency failure
* P Post-install dependency failure
* F upgrade Failed
* V Version mismatch at end of upgrade (Not used, proposed only)
* M Missing files at start of upgrade (Not used, proposed only)
*/
function compare_versions($setup_info,$try_downgrade=false)
{
foreach($setup_info as $key => $value)
{
//echo '<br>'.$value['name'].'STATUS: '.$value['status'];
/* Only set this if it has not already failed to upgrade - Milosch */
if(!( (@$value['status'] == 'F') || (@$value['status'] == 'C') ))
{
//if ($setup_info[$key]['currentver'] > $setup_info[$key]['version'])
if(!$try_downgrade && $GLOBALS['egw_setup']->amorethanb($value['currentver'],@$value['version']) ||
$value['version'] == 'deleted')
{
$setup_info[$key]['status'] = 'V';
}
elseif(@$value['currentver'] == @$value['version'])
{
$setup_info[$key]['status'] = 'C';
}
elseif($GLOBALS['egw_setup']->alessthanb(@$value['currentver'],@$value['version']))
{
$setup_info[$key]['status'] = 'U';
}
else
{
$setup_info[$key]['status'] = 'U';
}
}
}
// _debug_array($setup_info);
return $setup_info;
}
function check_depends($setup_info)
{
/* Run the list of apps */
foreach($setup_info as $key => $value)
{
/* Does this app have any depends */
if(isset($value['depends']))
{
/* If so find out which apps it depends on */
foreach($value['depends'] as $depkey => $depvalue)
{
/* I set this to False until we find a compatible version of this app */
$setup_info['depends'][$depkey]['status'] = False;
/* Now we loop thru the versions looking for a compatible version */
foreach($depvalue['versions'] as $depskey => $depsvalue)
{
$currentver = $setup_info[$depvalue['appname']]['currentver'];
if ($depvalue['appname'] == 'phpgwapi' && substr($currentver,0,6) == '0.9.99')
{
$currentver = '0.9.14.508';
}
$major = $GLOBALS['egw_setup']->get_major($currentver);
if ($major == $depsvalue || substr($major,0,strlen($depsvalue)+1) == $depsvalue.'.')
{
$setup_info['depends'][$depkey]['status'] = True;
}
else // check if majors are equal and minors greater or equal
{
$major_depsvalue = $GLOBALS['egw_setup']->get_major($depsvalue);
$tmp = explode('.',$depsvalue); $minor_depsvalue = array_pop($tmp);
$tmp = explode('.',$currentver); $minor = array_pop($tmp);
if ($major == $major_depsvalue && $minor <= $minor_depsvalue)
{
$setup_info['depends'][$depkey]['status'] = True;
}
}
//echo "<p>app=$key depends on $depvalue[appname](".implode(',',$depvalue['versions']).") current=$currentver, major=$major, depsvalue=$depsvalue, major_depsvalue=$major_depsvalue, minor_depsvalue=$minor_depsvalue, minor=$minor ==> ".(int)$setup_info['depends'][$depkey]['status']."</p>\n";
}
}
/*
Finally, we loop through the dependencies again to look for apps that still have a failure status
If we find one, we set the apps overall status as a dependency failure.
*/
foreach($value['depends'] as $depkey => $depvalue)
{
if ($setup_info['depends'][$depkey]['status'] == False)
{
/* Only set this if it has not already failed to upgrade - Milosch */
if($setup_info[$key]['status'] != 'F')//&& $setup_info[$key]['status'] != 'C')
{
/* Added check for status U - uninstalled apps carry this flag (upgrade from nothing == install).
* This should fix apps showing post-install dep failure when they are not yet installed.
*/
if($setup_info[$key]['status'] == 'C' || $setup_info[$key]['status'] == 'U')
{
$setup_info[$key]['status'] = 'D';
}
else
{
$setup_info[$key]['status'] = 'P';
}
}
}
}
}
}
return $setup_info;
}
/**
* Called during the mass upgrade routine (Stage 1) to check for apps
* that wish to be excluded from this process.
*/
function upgrade_exclude($setup_info)
{
foreach($setup_info as $key => $value)
{
if(isset($value['no_mass_update']))
{
unset($setup_info[$key]);
}
}
return $setup_info;
}
/**
* Check if header exists and is up to date
*
* @return int 1=no header.inc.php, 2=no header admin pw, 3=no instances, 4=need upgrade, 10=ok
*/
function check_header()
{
if(!file_exists(EGW_SERVER_ROOT.'/header.inc.php') || filesize(EGW_SERVER_ROOT.'/header.inc.php') < 200)
{
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage One';
return '1';
}
else
{
if(!@isset($GLOBALS['egw_info']['server']['header_admin_password']))
{
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage One (No header admin password set)';
return '2';
}
elseif(!@isset($GLOBALS['egw_domain']))
{
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage One (Add domains to your header.inc.php)';
return '3';
}
elseif(@$GLOBALS['egw_info']['server']['versions']['header'] != @$GLOBALS['egw_info']['server']['versions']['current_header'])
{
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage One (Upgrade your header.inc.php)';
return '4';
}
}
/* header.inc.php part settled. Moving to authentication */
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage One (Completed)';
return '10';
}
/**
* Check if database exists
*
* @param array $setup_info
* @return int 1=no database, 3=empty, 4=need upgrade, 10=complete
*/
function check_db($setup_info='')
{
$setup_info = $setup_info ? $setup_info : $GLOBALS['setup_info'];
try { // catch DB errors
if (!$GLOBALS['egw_setup']->db->Link_ID)
{
$old = error_reporting();
error_reporting($old & ~E_WARNING); // no warnings
$GLOBALS['egw_setup']->db->connect();
error_reporting($old);
}
}
catch(egw_exception_db $e) {
// ignore error
}
$GLOBALS['egw_setup']->set_table_names();
if (!$GLOBALS['egw_setup']->db->Link_ID || !$GLOBALS['egw_setup']->db->Link_ID->_connectionID)
{
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage 1 (Create Database)';
return 1;
}
if(!isset($setup_info['phpgwapi']['currentver']))
{
$setup_info = $this->get_db_versions($setup_info);
}
//_debug_array($setup_info);
if (isset($setup_info['phpgwapi']['currentver']))
{
if(@$setup_info['phpgwapi']['currentver'] == @$setup_info['phpgwapi']['version'])
{
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage 1 (Tables Complete)';
return 10;
}
else
{
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage 1 (Tables need upgrading)';
return 4;
}
}
else
{
/* no tables, so checking if we can create them */
try {
$GLOBALS['egw_setup']->db->query('CREATE TABLE egw_testrights ( testfield varchar(5) NOT NULL )');
$GLOBALS['egw_setup']->db->query('DROP TABLE egw_testrights');
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage 3 (Install Applications)';
return 3;
}
catch (egw_exception_db $e) {
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage 1 (Create Database)';
return 1;
}
}
}
/**
* Check if eGW configuration exists
*
* @return int 1 = Needs config, ..., 10 = Config Ok
*/
function check_config()
{
if(@$GLOBALS['egw_info']['setup']['stage']['db'] != 10)
{
return '';
}
try { // catch db errors
$GLOBALS['egw_setup']->db->select($GLOBALS['egw_setup']->config_table,'config_name,config_value',array('config_app' => 'phpgwapi'),__LINE__,__FILE__);
while($GLOBALS['egw_setup']->db->next_record())
{
$config[$GLOBALS['egw_setup']->db->f(0)] = $GLOBALS['egw_setup']->db->f(1);
}
}
catch (egw_exception_db $e) {
// ignore db errors
}
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage 2 (Needs Configuration)';
if(!count($config))
{
return 1;
}
$config_errors =& $GLOBALS['egw_info']['setup']['config_errors'];
$config_errors = array();
if (!$this->check_dir($config['temp_dir'],$error_msg))
{
$config_errors[] = lang("Your temporary directory '%1' %2",$config['temp_dir'],$error_msg);
}
if ((!isset($config['file_repository']) || $config['file_repository'] == 'sql') &&
(!isset($config['file_store_contents']) || $config['file_store_contents'] == 'filesystem') &&
!$this->check_dir($config['files_dir'],$error_msg,true))
{
$config_errors[] = lang("Your files directory '%1' %2",$config['files_dir'],$error_msg);
}
// set and create the default backup_dir
if (@is_writeable($config['files_dir']) && !$config['backup_dir'] && $config['file_store_contents'] == 'filesystem')
{
$config['backup_dir'] = $config['files_dir'].'/db_backup';
if (!is_dir($config['backup_dir']) && mkdir($config['backup_dir']))
{
$GLOBALS['egw_setup']->db->insert($GLOBALS['egw_setup']->config_table,array(
'config_value' => $config['backup_dir'],
),array(
'config_app' => 'phpgwapi',
'config_name' => 'backup_dir',
),__LINE__,__FILE__);
}
}
if (isset($config['backup_mincount']))
{
$GLOBALS['egw_setup']->db->insert($GLOBALS['egw_setup']->config_table,array(
'config_value' => $config['backup_mincount'],
),array(
'config_app' => 'phpgwapi',
'config_name' => 'backup_mincount',
),__LINE__,__FILE__);
}
if (isset($config['backup_files']))
{
$GLOBALS['egw_setup']->db->insert($GLOBALS['egw_setup']->config_table,array(
'config_value' => (int)$config['backup_files'],
),array(
'config_app' => 'phpgwapi',
'config_name' => 'backup_files',
),__LINE__,__FILE__);
};
if (!$this->check_dir($config['backup_dir'],$error_msg,true))
{
$config_errors[] = lang("Your backup directory '%1' %2",$config['backup_dir'],$error_msg);
}
if (!$config['smtp_server'])
{
$config_errors[] = lang('Missing or uncomplete mailserver configuration');
}
if ($config_errors)
{
return 2;
}
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage 2 (Configuration OK)';
return 10;
}
function check_lang($check = True)
{
if($check && $GLOBALS['egw_info']['setup']['stage']['db'] != 10)
{
return '';
}
if (!$check)
{
$GLOBALS['setup_info'] = $GLOBALS['egw_setup']->detection->get_db_versions($GLOBALS['setup_info']);
}
try {
$GLOBALS['egw_setup']->db->query($q = "SELECT DISTINCT lang FROM {$GLOBALS['egw_setup']->lang_table}",__LINE__,__FILE__);
}
catch (egw_exception_db $e) {
// ignore db error
}
if($e || $GLOBALS['egw_setup']->db->num_rows() == 0)
{
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage 3 (No languages installed)';
return 1;
}
while(@$GLOBALS['egw_setup']->db->next_record())
{
$GLOBALS['egw_info']['setup']['installed_langs'][$GLOBALS['egw_setup']->db->f('lang')] = $GLOBALS['egw_setup']->db->f('lang');
}
foreach($GLOBALS['egw_info']['setup']['installed_langs'] as $key => $value)
{
$sql = "SELECT lang_name FROM {$GLOBALS['egw_setup']->languages_table} WHERE lang_id = '".$value."'";
$GLOBALS['egw_setup']->db->query($sql);
if ($GLOBALS['egw_setup']->db->next_record())
{
$GLOBALS['egw_info']['setup']['installed_langs'][$value] = $GLOBALS['egw_setup']->db->f('lang_name');
}
}
$GLOBALS['egw_info']['setup']['header_msg'] = 'Stage 3 (Completed)';
return 10;
}
/**
* Verify that all of an app's tables exist in the db
* @param $appname
* @param $any optional, set to True to see if any of the apps tables are installed
*/
function check_app_tables($appname,$any=False)
{
$none = 0;
$setup_info = $GLOBALS['setup_info'];
if(@$setup_info[$appname]['tables'])
{
/* Make a copy, else we send some callers into an infinite loop */
$copy = $setup_info;
$tables = Array();
try {
$table_names = $GLOBALS['egw_setup']->db->table_names();
foreach($table_names as $key => $val)
{
$tables[] = $val['table_name'];
}
}
catch (egw_exception_db $e) {
// ignore db error
}
foreach($copy[$appname]['tables'] as $key => $val)
{
if($GLOBALS['DEBUG'])
{
echo '<br>check_app_tables(): Checking: ' . $appname . ',table: ' . $val;
}
if(!in_array($val,$tables) && !in_array(strtolower($val),$tables)) // names in tables might be lowercase
{
if($GLOBALS['DEBUG'])
{
echo '<br>check_app_tables(): ' . $val . ' missing!';
}
if(!$any)
{
return False;
}
else
{
$none++;
}
}
else
{
if($any)
{
if($GLOBALS['DEBUG'])
{
echo '<br>check_app_tables(): Some tables installed';
}
return True;
}
}
}
}
if($none && $any)
{
if($GLOBALS['DEBUG'])
{
echo '<br>check_app_tables(): No tables installed';
}
return False;
}
else
{
if($GLOBALS['DEBUG'])
{
echo '<br>check_app_tables(): All tables installed';
}
return True;
}
}
/**
* Checks if a directory exists, is writable by the webserver and optionaly is in the docroot
*
* @param string $dir path
* @param string &$msg error-msg: 'does not exist', 'is not writeable by the webserver' or 'is in the webservers docroot' (run through lang)
* @param boolean $check_in_docroot=false run an optional in docroot check
* @return boolean
*/
static function check_dir($dir,&$msg,$check_in_docroot=false)
{
if (!@is_dir($dir) && !@mkdir($dir,0700,true))
{
$msg = lang('does not exist');
return false;
}
if (!@is_writeable($dir) && $_SERVER['HTTP_HOST']) // only do the check if we run by the webserver
{
$msg = lang('is not writeable by the webserver');
return false;
}
if ($check_in_docroot)
{
$docroots = array(realpath(EGW_SERVER_ROOT),realpath($_SERVER['DOCUMENT_ROOT']));
$dir = realpath($dir);
foreach ($docroots as $docroot)
{
$len = strlen($docroot);
if ($docroot == substr($dir,0,$len) && $len>0)
{
$rest = substr($dir,$len);
if (!strlen($rest) || $rest[0] == DIRECTORY_SEPARATOR)
{
$msg = lang('is in the webservers docroot');
return false;
}
}
}
}
return true;
}
}