2009-06-30 08:07:14 +00:00
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<?php
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2009-06-30 10:46:00 +00:00
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// $Header: /cvsroot/phpldapadmin/phpldapadmin/lib/common.php,v 1.80 2007/12/15 07:50:32 wurley Exp $
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2009-06-30 08:07:14 +00:00
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2009-06-30 09:29:51 +00:00
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/**
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2009-06-30 08:07:14 +00:00
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* Contains code to be executed at the top of each phpLDAPadmin page.
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* include this file at the top of every PHP file.
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2009-06-30 09:29:51 +00:00
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*
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* This file will "pre-initialise" a PLA environment so that any PHP file will have a consistent
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* environment with other PLA PHP files.
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*
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* This code WILL NOT check that all required functions are usable/readable, etc. This process has
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* been moved to index.php (which really is only called once when a browser hits PLA for the first time).
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*
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* The list of ADDITIONAL function files is now defined in functions.php.
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*
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* @package phpLDAPadmin
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2009-06-30 08:07:14 +00:00
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*/
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2009-06-30 10:46:00 +00:00
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# Catch any scripts that are called directly.
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foreach (array('cmd.php','index.php','view_jpeg_photo.php','entry_chooser.php','password_checker.php', 'download_binary_attr.php') as $script) {
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$scriptOK = false;
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if (preg_match('/'.$script.'$/',$_SERVER['SCRIPT_NAME'])) {
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$scriptOK = true;
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break;
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}
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}
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if (! $scriptOK) {
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if ($_REQUEST['server_id'])
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header(sprintf('Location: index.php?server_id=%s',$_REQUEST['server_id']));
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else
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header('Location: index.php');
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die();
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}
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/**
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* Timer stopwatch, used to instrument PLA
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*/
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if (! function_exists('stopwatch')) {
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function stopwatch() {
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static $mt_previous = 0;
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list($usec,$sec) = explode(' ',microtime());
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$mt_current = (float)$usec + (float)$sec;
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if (! $mt_previous) {
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$mt_previous = $mt_current;
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return 0;
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} else {
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$mt_diff = ($mt_current - $mt_previous);
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$mt_previous = $mt_current;
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return sprintf('%.5f',$mt_diff);
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}
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}
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# For compatability - if common has been sourced, then return to the calling script.
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} else {
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return;
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}
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if (function_exists('date_default_timezone_set'))
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date_default_timezone_set('UTC');
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2009-06-30 10:26:08 +00:00
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$timer = stopwatch();
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2009-06-30 10:46:00 +00:00
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if (! defined('LIBDIR'))
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define('LIBDIR','../lib/');
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2009-06-30 08:09:20 +00:00
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2009-06-30 09:29:51 +00:00
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# For PHP5 backward/forward compatibility
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if (! defined('E_STRICT'))
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define('E_STRICT',2048);
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2009-06-30 08:09:20 +00:00
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2009-06-30 10:26:08 +00:00
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# General functions needed to proceed.
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2009-06-30 08:10:17 +00:00
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ob_start();
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2009-06-30 09:29:51 +00:00
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require_once realpath(LIBDIR.'functions.php');
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2009-06-30 10:46:00 +00:00
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if (ob_get_level()) ob_end_clean();
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2009-06-30 08:09:20 +00:00
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2009-06-30 10:46:00 +00:00
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/* Turn on all notices and warnings. This helps us write cleaner code (we hope at least)
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* Our custom error handler receives all error notices that pass the error_reporting()
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* level set above.
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*/
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2009-06-30 09:29:51 +00:00
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set_error_handler('pla_error_handler');
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2009-06-30 09:40:37 +00:00
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# Disable error reporting until all our required functions are loaded.
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error_reporting(0);
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2009-06-30 08:09:20 +00:00
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2009-06-30 09:29:51 +00:00
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/*
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* functions.php should have defined our pla_function_files array, listing all our
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* required functions (order IS important).
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* index.php should have checked they exist and are usable - we'll assume that the user
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* has been via index.php, and fixed any problems already.
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*/
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ob_start();
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foreach ($pla_function_files as $file_name) {
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require_once realpath ($file_name);
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2009-06-30 09:22:30 +00:00
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}
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2009-06-30 10:46:00 +00:00
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# Now read in config_default.php
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2009-06-30 09:29:51 +00:00
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require_once realpath(LIBDIR.'config_default.php');
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2009-06-30 10:46:00 +00:00
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if (ob_get_level()) ob_end_clean();
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2009-06-30 08:09:20 +00:00
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2009-06-30 09:40:37 +00:00
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# We are now ready for error reporting.
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2009-06-30 10:46:00 +00:00
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error_reporting(E_ALL);
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2009-06-30 09:40:37 +00:00
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2009-06-30 10:46:00 +00:00
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pla_session_start();
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# Check we have the correct version of the SESSION cache
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if (isset($_SESSION['cache'])) {
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if (!is_array($_SESSION[pla_session_id_init])) $_SESSION[pla_session_id_init] = array();
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if (!isset($_SESSION[pla_session_id_init]['version']) || !isset($_SESSION[pla_session_id_init]['config'])
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|| $_SESSION[pla_session_id_init]['version'] !== pla_version()
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|| $_SESSION[pla_session_id_init]['config'] != filemtime(CONFDIR.'config.php')) {
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$_SESSION[pla_session_id_init]['version'] = pla_version();
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$_SESSION[pla_session_id_init]['config'] = filemtime(CONFDIR.'config.php');
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unset($_SESSION['cache']);
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unset($_SESSION['plaConfig']);
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# Our configuration information has changed, so we'll redirect to index.php to get it reloaded again.
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system_message(array(
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'title'=>_('Configuration cache stale.'),
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'body'=>_('Your configuration has been automatically refreshed.'),
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'type'=>'info'));
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$config_file = CONFDIR.'config.php';
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check_config($config_file);
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} else {
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# Sanity check, specially when upgrading from a previous release.
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foreach (array_keys($_SESSION['cache']) as $id)
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if (isset($_SESSION['cache'][$id]['tree']['null']) && ! is_object($_SESSION['cache'][$id]['tree']['null']))
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unset($_SESSION['cache'][$id]);
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}
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}
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2009-06-30 08:07:14 +00:00
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2009-06-30 10:46:00 +00:00
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# If we came via index.php, then set our $config.
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if (! isset($_SESSION['plaConfig']) && isset($config))
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$_SESSION['plaConfig'] = $config;
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2009-06-30 08:10:17 +00:00
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2009-06-30 10:46:00 +00:00
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# If we get here, and plaConfig is not set, then redirect the user to the index.
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if (! isset($_SESSION['plaConfig'])) {
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header('Location: index.php');
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die();
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} else {
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# Check our custom variables.
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# @todo: Change this so that we dont process a cached session.
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$_SESSION['plaConfig']->CheckCustom();
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}
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# If we are here, $_SESSION is set - so enabled DEBUGing if it has been configured.
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if (($_SESSION['plaConfig']->GetValue('debug','syslog') || $_SESSION['plaConfig']->GetValue('debug','file'))
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&& $_SESSION['plaConfig']->GetValue('debug','level'))
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define('DEBUG_ENABLED',1);
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else
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define('DEBUG_ENABLED',0);
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# Since DEBUG_ENABLED is set later, as $config may not be set, we'll
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if (DEBUG_ENABLED)
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debug_log('PLA (%s) initialised and starting with (%s).',1,pla_version(),$_REQUEST);
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# Set our PHP timelimit.
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if ($_SESSION['plaConfig']->GetValue('session','timelimit'))
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set_time_limit($_SESSION['plaConfig']->GetValue('session','timelimit'));
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# If debug mode is set, increase the time_limit, since we probably need it.
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if (DEBUG_ENABLED && $_SESSION['plaConfig']->GetValue('session','timelimit'))
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set_time_limit($_SESSION['plaConfig']->GetValue('session','timelimit') * 5);
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# @todo: Change this so that we dont process a cached session.
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$_SESSION['plaConfig']->friendly_attrs = process_friendly_attr_table();
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2009-06-30 08:10:17 +00:00
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2009-06-30 09:29:51 +00:00
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/*
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* Language configuration. Auto or specified?
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* Shall we attempt to auto-determine the language?
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*/
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2009-06-30 09:40:37 +00:00
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2009-06-30 10:46:00 +00:00
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$language = $_SESSION['plaConfig']->GetValue('appearance','language');
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2009-06-30 09:40:37 +00:00
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2009-06-30 10:26:08 +00:00
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if ($language == 'auto') {
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2009-06-30 09:29:51 +00:00
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# Make sure their browser correctly reports language. If not, skip this.
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2009-06-30 10:26:08 +00:00
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if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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# Get the languages which are spetcified in the HTTP header
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$HTTP_LANGS = preg_split ('/[;,]+/',$_SERVER['HTTP_ACCEPT_LANGUAGE']);
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foreach ($HTTP_LANGS as $key => $value) {
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if (substr($value,0,2) == 'q=') {
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unset($HTTP_LANGS[$key]);
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continue;
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}
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$value = preg_split('/[-]+/',$value);
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if (sizeof($value) == 2)
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$HTTP_LANGS[$key] = strtolower($value[0]).'_'.strtoupper($value[1]);
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else
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$HTTP_LANGS[$key] = auto_lang(strtolower($value[0]));
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2009-06-30 08:09:20 +00:00
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}
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2009-06-30 09:29:51 +00:00
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2009-06-30 10:26:08 +00:00
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$HTTP_LANGS = array_unique($HTTP_LANGS);
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foreach ($HTTP_LANGS as $HTTP_LANG) {
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# Try to grab one after the other the language file
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$language_file = LANGDIR.$HTTP_LANG;
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if ((substr($HTTP_LANG,0,2) == 'en') ||
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(file_exists($language_file) && is_readable($language_file))) {
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# Set language
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putenv('LANG='.$HTTP_LANG); # e.g. LANG=de_DE
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2009-06-30 10:41:18 +00:00
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$HTTP_LANG .= '.UTF-8';
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2009-06-30 10:26:08 +00:00
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setlocale(LC_ALL,$HTTP_LANG); # set LC_ALL to de_DE
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bindtextdomain('messages',LANGDIR);
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bind_textdomain_codeset('messages','UTF-8');
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textdomain('messages');
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header('Content-type: text/html; charset=UTF-8',true);
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2009-06-30 09:29:51 +00:00
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break;
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2009-06-30 08:09:20 +00:00
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}
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}
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}
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2009-06-30 09:29:51 +00:00
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} else {
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2009-06-30 10:26:08 +00:00
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# Grab the language file configured in config.php
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if ($language != null) {
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if (strcmp($language,'english') == 0)
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$language = 'en_GB';
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$language_file = LANGDIR.$language;
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# Set language
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putenv('LANG='.$language); # e.g. LANG=de_DE
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2009-06-30 10:41:18 +00:00
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$language .= '.UTF-8';
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2009-06-30 10:26:08 +00:00
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setlocale(LC_ALL,$language); # set LC_ALL to de_DE
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bindtextdomain('messages',LANGDIR);
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bind_textdomain_codeset('messages','UTF-8');
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textdomain('messages');
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2009-06-30 10:46:00 +00:00
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header('Content-type: text/html; charset=UTF-8',true);
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2009-06-30 09:29:51 +00:00
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}
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2009-06-30 08:09:20 +00:00
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}
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2009-06-30 08:07:14 +00:00
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2009-06-30 09:29:51 +00:00
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/*
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* Strip slashes from GET, POST, and COOKIE variables if this
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* PHP install is configured to automatically addslashes()
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*/
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if (get_magic_quotes_gpc() && (! isset($slashes_stripped) || ! $slashes_stripped)) {
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array_stripslashes($_REQUEST);
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2009-06-30 08:07:14 +00:00
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array_stripslashes($_GET);
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2009-06-30 08:09:20 +00:00
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array_stripslashes($_POST);
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array_stripslashes($_COOKIE);
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2009-06-30 08:07:14 +00:00
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$slashes_stripped = true;
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}
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2009-06-30 09:29:51 +00:00
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if (isset($_REQUEST['server_id'])) {
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2009-06-30 10:46:00 +00:00
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$ldapserver = $_SESSION['plaConfig']->ldapservers->Instance($_REQUEST['server_id']);
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} else {
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$ldapserver = $_SESSION['plaConfig']->ldapservers->Instance(null);
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2009-06-30 09:29:51 +00:00
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}
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2009-06-30 10:26:08 +00:00
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2009-06-30 10:46:00 +00:00
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# Test to see if we should log out the user due to the timeout.
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if ($ldapserver->haveAuthInfo() && $ldapserver->auth_type != 'config') {
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/* If time out value has been reached:
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- log out user
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- put $server_id in array of recently timed out servers */
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if (session_timed_out($ldapserver)) {
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$timeout_url = 'cmd.php?cmd=timeout&server_id='.$ldapserver->server_id;
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echo '<script type="text/javascript" language="javascript">location.href=\''.$timeout_url.'\'</script>';
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die();
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2009-06-30 10:26:08 +00:00
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}
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}
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2009-06-30 10:46:00 +00:00
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/*
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* Update $_SESSION['activity']
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* for timeout and automatic logout feature
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*/
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if ($ldapserver->haveAuthInfo())
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set_lastactivity($ldapserver);
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2009-06-30 10:26:08 +00:00
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/**
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2009-06-30 10:46:00 +00:00
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* At this point we have read all our additional function PHP files and our configuration.
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2009-06-30 10:26:08 +00:00
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*/
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2009-06-30 10:46:00 +00:00
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run_hook('post_session_init',array());
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2009-06-30 08:07:14 +00:00
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?>
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