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<?php
/*
This code is part of FusionDirectory (http://www.fusiondirectory.org/)
Copyright (C) 2003 Cajus Pollmeier
Copyright (C) 2011-2013 FusionDirectory
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
class Step_Checks extends setup_step
{
var $basic_checks = array();
var $config_checks = array();
var $is_writeable = array();
var $header_image = 'geticon.php?context=categories&icon=checks&size=48';
function __construct()
{
$this->update_strings();
}
function update_strings()
{
$this->s_title = _("Installation check");
$this->s_title_long = _("Installation check");
$this->s_info = _("Basic checks for PHP compatibility and extensions");
}
/* Execute and display template */
function execute()
{
$this->run_checks();
$smarty = get_smarty();
$smarty->assign("basic", $this->basic_checks);
$smarty->assign("config", $this->config_checks);
$smarty->assign("is_writeable", $this->is_writeable);
return $smarty->fetch(get_template_path("setup_checks.tpl", TRUE, dirname(__FILE__)));
}
/* Execute all checks */
function run_checks()
{
$this->basic_checks = array();
$this->config_checks = array();
$this->is_writeable = array();
/* PHP version check */
$N = _("Checking PHP version");
$D = sprintf(_("PHP must be of version %s or above."), "5.2.0");
$S = _("Please upgrade to a supported version.");
$R = $this->check_php_version();
$M = TRUE;
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Check for imap extension */
$N = msgPool::checkingFor("LDAP");
$D = _("FusionDirectory requires this module to talk with your LDAP server.");
$S = msgPool::installPhpModule("LDAP");
$R = is_callable("ldap_bind");
$M = TRUE;
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Check for gettext support */
$N = msgPool::checkingFor("gettext");
$D = _("FusionDirectory requires this module for an internationalized interface.");
$S = msgPool::installPhpModule("gettext");
$R = is_callable("bindtextdomain");
$M = TRUE;
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Check for php5-curl support */
$N = msgPool::checkingFor("curl");
$D = _("FusionDirectory requires this module to communicate with different types of servers and protocols.");
$S = msgPool::installPhpModule("php5-curl");
$R = is_callable("curl_init");
$M = TRUE;
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Check for iconv */
$N = msgPool::checkingFor("inconv");
$D = _("FusionDirectory requires this module for the samba integration.");
$S = msgPool::installPhpModule("iconv");
$R = is_callable("iconv");
$M = TRUE;
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Check for installed mhash module */
$N = msgPool::checkingFor("hash method");
$D = _("FusionDirectory requires either 'mhash' or the 'sha1' module to make use of SSHA encryption.");
$S = msgPool::installPhpModule("mhash/sha1");
$R = is_callable('mhash') || is_callable('sha1');
$M = FALSE;
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Check if imap module is available */
$N = msgPool::checkingFor("IMAP");
$D = _("FusionDirectory requires this module to talk to an IMAP server.");
$S = msgPool::installPhpModule("IMAP");
$R = is_callable("imap_open");
$M = TRUE;
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Check if mbstring module is available */
$N = msgPool::checkingFor(_("mbstring"));
$D = _("FusionDirectory requires this module to handle unicode strings.");
$S = msgPool::installPhpModule("mbstring");
$R = is_callable("mb_strlen");
$M = TRUE;
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Check if MDB2 module is available */
$N = msgPool::checkingFor(_("MDB2"));
$D = _("FusionDirectory requires this module to communicate with several supported databases.");
$S = msgPool::installPearModule("MDB2");
$R = ((@include_once("PEAR.php")) && (@include_once("MDB2.php")));
$M = class_available("databaseManagement");
if ($M) {
$D .= "<br/>"._("If you do not want to install MDB2 and won't use databases, remove the class_databaseManagement.inc file.");
}
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
$N = msgPool::checkingFor(_("imagick"));
$D = _("FusionDirectory requires this extension to handle images.");
$S = msgPool::installPhpModule("php5-imagick");
$IMGVER = phpversion('imagick');
if ($IMGVER > 1.0) {
$R = method_exists('imagick', 'getImageBlob');
} else {
$R = is_callable("imagick_blob2image");
}
$M = TRUE;
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
$N = msgPool::checkingFor(_("compression module"));
$D = _("FusionDirectory requires this extension to handle snapshots.");
$S = msgPool::installPhpModule("compile with --with-zlib");
$R = is_callable("gzcompress");
$M = FALSE;
$this->basic_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* PHP Configuration checks */
/* Register_globals off */
$N = "register_globals = <b>off</b>";
$D = _("register_globals is a PHP mechanism to register all global variables to be accessible from scripts without changing the scope. This may be a security risk.");
$S = _("Search for 'register_globals' in your php.ini and switch it to 'Off'.");
$R = ini_get("register_globals") == 0;
$M = FALSE;
$this->config_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* session lifetime set to >=86400 seconds ? */
$N = "session.gc_maxlifetime >= <b>86400</b>";
$D = _("PHP uses this value for the garbage collector to delete old sessions.")." ".
_("Setting this value to one day will prevent loosing session and cookies before they really timeout.");
$S = _("Search for 'session.gc_maxlifetime' in your php.ini and set it to 86400 or higher.");
$R = ini_get("session.gc_maxlifetime") >= 86400;
$M = FALSE;
$this->config_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Session auto start must be turned off */
$session_auto_start = ini_get('session.auto_start');
$N = "session.auto_start = <b>"._("Off")."</b>";
$D = _("In Order to use FusionDirectory without any trouble, the session.auto_start option in your php.ini should be set to 'Off'.");
$S = _("Search for 'session.auto_start' in your php.ini and set it to 'Off'.");
$R = !$session_auto_start;
$M = TRUE;
$this->config_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Check if memory limit is set to 128 or > */
$N = "memory_limit >= <b>128</b>";
$D = _("FusionDirectory needs at least 128MB of memory. Setting it below this limit may cause errors that are not reproducable! Increase it for larger setups.");
$S = _("Search for 'memory_limit' in your php.ini and set it to '128M' or higher.");
$R = ini_get('memory_limit') >= 128;
$M = TRUE;
$this->config_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Implicit Flush disabled can increase performance */
$N = "implicit_flush = <b>"._("Off")."</b>";
$D = _("This option influences the PHP output handling. Turn this Option off, to increase performance.");
$S = _("Search for 'implicit_flush' in your php.ini and set it to 'Off'.");
$R = !ini_get('implicit_flush');
$M = FALSE;
$this->config_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Check if execution time is set to 30 */
$N = "max_execution_time >= <b>30</b>";
$D = _("The Execution time should be at least 30 seconds.");
$S = _("Search for 'max_execution_time' in your php.ini and set it to '30' or higher.");
$R = ini_get("max_execution_time") >= 30;
$M = TRUE;
$this->config_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Expose php should be set to off */
$N = "expose_php = <b>"._("Off")."</b>";
$D = _("Increase the server security by setting expose_php to 'off'. PHP won't send any information about the server you are running in this case.");
$S = _("Search for 'expose_php' in your php.ini and set if to 'Off'.");
$R = !ini_get("expose_php");
$M = FALSE;
$this->config_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Emulating old stuff? */
$N = "zend.ze1_compatibility_mode = <b>"._("Off")."</b>";
$D = _("Increase your server performance by setting magic_quotes_gpc to 'off'.");
$S = _("Search for 'zend.ze1_compatibility_mode' in your php.ini and set it to 'Off'.");
$R = !ini_get('zend.ze1_compatibility_mode');
$M = FALSE;
$this->config_checks[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
/* Configuration file */
/* Check if we can create a config file.*/
$N = _("Configuration writeable");
$D = _("The configuration file can't be written");
$S = sprintf(_("FusionDirectory reads its configuration from a file located in (%s/%s). The setup can write the configuration directly if it is writeable."), CONFIG_DIR, CONFIG_FILE);
/* is there a config file ? or There is none, but can we create a file there ?*/
$R = ( file_exists(CONFIG_DIR."/".CONFIG_FILE) && is_writeable(CONFIG_DIR."/".CONFIG_FILE))
|| (!file_exists(CONFIG_DIR."/".CONFIG_FILE) && is_writeable(CONFIG_DIR));
$M = FALSE;
$this->is_writeable[] = array("NAME" => $N , "DESC" => $D , "RESULT" => $R , "SOLUTION" => $S , "MUST" => $M );
}
function save_object()
{
/* If everything is fine, set this step to completed
* and allow switching to next setup step */
$failed = FALSE;
foreach (array("basic_checks","config_checks","is_writeable") as $type) {
foreach ($this->$type as $obj) {
if ($obj['MUST'] && !$obj['RESULT']) {
$failed = TRUE;
break;
}
}
}
$this->is_completed = !$failed;
}
/* Check if current PHP version is compatible
with the current version of FusionDirectory */
function check_php_version()
{
return version_compare(phpversion(), "5.2.0", ">=");
}
}
?>
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